Home / 472,254.12-651,711.18-257,394.36

Finding the Fourth Proportional to 472,254.12, 651,711.18 and 257,394.36

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Solution

The fourth proportional to 472,254.12, 651,711.18 and 257,394.36 is: 355,204.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,254.12 : 651,711.18 = 257,394.36 : x
  2. Step 2: Convert to fraction form
    472,254.12/651,711.18 = 257,394.36/x
  3. Step 3: Cross multiply
    472,254.12x = 651,711.18 × 257,394.36
  4. Step 4: Simplify right side
    472,254.12x = 167,746,782,080.95
  5. Step 5: Solve for x
    x = 167,746,782,080.95/472,254.12
  6. Step 6: Final answer
    x = 355,204.49

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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.