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Finding the Fourth Proportional to 476,614.32, 715,009.50 and 156,784.20

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Solution

The fourth proportional to 476,614.32, 715,009.50 and 156,784.20 is: 235,205.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,614.32 : 715,009.50 = 156,784.20 : x
  2. Step 2: Convert to fraction form
    476,614.32/715,009.50 = 156,784.20/x
  3. Step 3: Cross multiply
    476,614.32x = 715,009.50 × 156,784.20
  4. Step 4: Simplify right side
    476,614.32x = 112,102,192,449.90
  5. Step 5: Solve for x
    x = 112,102,192,449.90/476,614.32
  6. Step 6: Final answer
    x = 235,205.25

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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.