Home / 347,449.32-521,079.96-122,779.92

Finding the Fourth Proportional to 347,449.32, 521,079.96 and 122,779.92

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Solution

The fourth proportional to 347,449.32, 521,079.96 and 122,779.92 is: 184,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,449.32 : 521,079.96 = 122,779.92 : x
  2. Step 2: Convert to fraction form
    347,449.32/521,079.96 = 122,779.92/x
  3. Step 3: Cross multiply
    347,449.32x = 521,079.96 × 122,779.92
  4. Step 4: Simplify right side
    347,449.32x = 63,978,155,802.40
  5. Step 5: Solve for x
    x = 63,978,155,802.40/347,449.32
  6. Step 6: Final answer
    x = 184,136.66

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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.