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Finding the Fourth Proportional to 480,038.84, 720,055.66 and 195,728.29

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Solution

The fourth proportional to 480,038.84, 720,055.66 and 195,728.29 is: 293,591.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,038.84 : 720,055.66 = 195,728.29 : x
  2. Step 2: Convert to fraction form
    480,038.84/720,055.66 = 195,728.29/x
  3. Step 3: Cross multiply
    480,038.84x = 720,055.66 × 195,728.29
  4. Step 4: Simplify right side
    480,038.84x = 140,935,263,036.62
  5. Step 5: Solve for x
    x = 140,935,263,036.62/480,038.84
  6. Step 6: Final answer
    x = 293,591.37

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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.