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Finding the Fourth Proportional to 180,332.16, 270,516.28 and 61,987.92

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Solution

The fourth proportional to 180,332.16, 270,516.28 and 61,987.92 is: 92,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,332.16 : 270,516.28 = 61,987.92 : x
  2. Step 2: Convert to fraction form
    180,332.16/270,516.28 = 61,987.92/x
  3. Step 3: Cross multiply
    180,332.16x = 270,516.28 × 61,987.92
  4. Step 4: Simplify right side
    180,332.16x = 16,768,741,523.34
  5. Step 5: Solve for x
    x = 16,768,741,523.34/180,332.16
  6. Step 6: Final answer
    x = 92,988.08

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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.