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Finding the Fourth Proportional to 365,304.40, 547,697.40 and 165,720.40

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Solution

The fourth proportional to 365,304.40, 547,697.40 and 165,720.40 is: 248,463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,304.40 : 547,697.40 = 165,720.40 : x
  2. Step 2: Convert to fraction form
    365,304.40/547,697.40 = 165,720.40/x
  3. Step 3: Cross multiply
    365,304.40x = 547,697.40 × 165,720.40
  4. Step 4: Simplify right side
    365,304.40x = 90,764,632,206.96
  5. Step 5: Solve for x
    x = 90,764,632,206.96/365,304.40
  6. Step 6: Final answer
    x = 248,463.01

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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.