Home / 426,663.18-639,502.02-160,253.64

Finding the Fourth Proportional to 426,663.18, 639,502.02 and 160,253.64

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Solution

The fourth proportional to 426,663.18, 639,502.02 and 160,253.64 is: 240,195.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,663.18 : 639,502.02 = 160,253.64 : x
  2. Step 2: Convert to fraction form
    426,663.18/639,502.02 = 160,253.64/x
  3. Step 3: Cross multiply
    426,663.18x = 639,502.02 × 160,253.64
  4. Step 4: Simplify right side
    426,663.18x = 102,482,526,492.35
  5. Step 5: Solve for x
    x = 102,482,526,492.35/426,663.18
  6. Step 6: Final answer
    x = 240,195.38

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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.