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Finding the Fourth Proportional to 480,031.44, 720,047.16 and 147,607.44

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Solution

The fourth proportional to 480,031.44, 720,047.16 and 147,607.44 is: 221,411.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,031.44 : 720,047.16 = 147,607.44 : x
  2. Step 2: Convert to fraction form
    480,031.44/720,047.16 = 147,607.44/x
  3. Step 3: Cross multiply
    480,031.44x = 720,047.16 × 147,607.44
  4. Step 4: Simplify right side
    480,031.44x = 106,284,317,966.87
  5. Step 5: Solve for x
    x = 106,284,317,966.87/480,031.44
  6. Step 6: Final answer
    x = 221,411.16

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.