Home / 642,956.30-964,069.95-243,610.10

Finding the Fourth Proportional to 642,956.30, 964,069.95 and 243,610.10

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Solution

The fourth proportional to 642,956.30, 964,069.95 and 243,610.10 is: 365,277.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,956.30 : 964,069.95 = 243,610.10 : x
  2. Step 2: Convert to fraction form
    642,956.30/964,069.95 = 243,610.10/x
  3. Step 3: Cross multiply
    642,956.30x = 964,069.95 × 243,610.10
  4. Step 4: Simplify right side
    642,956.30x = 234,857,176,926.50
  5. Step 5: Solve for x
    x = 234,857,176,926.50/642,956.30
  6. Step 6: Final answer
    x = 365,277.04

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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.