Home / 472,042.12-651,425.60-257,182.12

Finding the Fourth Proportional to 472,042.12, 651,425.60 and 257,182.12

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Solution

The fourth proportional to 472,042.12, 651,425.60 and 257,182.12 is: 354,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,042.12 : 651,425.60 = 257,182.12 : x
  2. Step 2: Convert to fraction form
    472,042.12/651,425.60 = 257,182.12/x
  3. Step 3: Cross multiply
    472,042.12x = 651,425.60 × 257,182.12
  4. Step 4: Simplify right side
    472,042.12x = 167,535,016,830.27
  5. Step 5: Solve for x
    x = 167,535,016,830.27/472,042.12
  6. Step 6: Final answer
    x = 354,915.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.