Home / 331,470.90-457,417.74-202,625.16

Finding the Fourth Proportional to 331,470.90, 457,417.74 and 202,625.16

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Solution

The fourth proportional to 331,470.90, 457,417.74 and 202,625.16 is: 279,615.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,470.90 : 457,417.74 = 202,625.16 : x
  2. Step 2: Convert to fraction form
    331,470.90/457,417.74 = 202,625.16/x
  3. Step 3: Cross multiply
    331,470.90x = 457,417.74 × 202,625.16
  4. Step 4: Simplify right side
    331,470.90x = 92,684,342,754.34
  5. Step 5: Solve for x
    x = 92,684,342,754.34/331,470.90
  6. Step 6: Final answer
    x = 279,615.32

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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.