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Finding the Fourth Proportional to 364,779.65, 546,964.13 and 251,061.12

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Solution

The fourth proportional to 364,779.65, 546,964.13 and 251,061.12 is: 376,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,779.65 : 546,964.13 = 251,061.12 : x
  2. Step 2: Convert to fraction form
    364,779.65/546,964.13 = 251,061.12/x
  3. Step 3: Cross multiply
    364,779.65x = 546,964.13 × 251,061.12
  4. Step 4: Simplify right side
    364,779.65x = 137,321,425,822.32
  5. Step 5: Solve for x
    x = 137,321,425,822.32/364,779.65
  6. Step 6: Final answer
    x = 376,450.35

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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.