Home / 257,925.30-386,887.95-152,690.10

Finding the Fourth Proportional to 257,925.30, 386,887.95 and 152,690.10

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Solution

The fourth proportional to 257,925.30, 386,887.95 and 152,690.10 is: 229,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,925.30 : 386,887.95 = 152,690.10 : x
  2. Step 2: Convert to fraction form
    257,925.30/386,887.95 = 152,690.10/x
  3. Step 3: Cross multiply
    257,925.30x = 386,887.95 × 152,690.10
  4. Step 4: Simplify right side
    257,925.30x = 59,073,959,774.30
  5. Step 5: Solve for x
    x = 59,073,959,774.30/257,925.30
  6. Step 6: Final answer
    x = 229,035.15

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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.