Home / 310,565.20-428,577.38-174,599.76

Finding the Fourth Proportional to 310,565.20, 428,577.38 and 174,599.76

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Solution

The fourth proportional to 310,565.20, 428,577.38 and 174,599.76 is: 240,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,565.20 : 428,577.38 = 174,599.76 : x
  2. Step 2: Convert to fraction form
    310,565.20/428,577.38 = 174,599.76/x
  3. Step 3: Cross multiply
    310,565.20x = 428,577.38 × 174,599.76
  4. Step 4: Simplify right side
    310,565.20x = 74,829,507,689.43
  5. Step 5: Solve for x
    x = 74,829,507,689.43/310,565.20
  6. Step 6: Final answer
    x = 240,946.21

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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.