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Finding the Fourth Proportional to 560,577.30, 840,739.86 and 161,129.04

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Solution

The fourth proportional to 560,577.30, 840,739.86 and 161,129.04 is: 241,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,577.30 : 840,739.86 = 161,129.04 : x
  2. Step 2: Convert to fraction form
    560,577.30/840,739.86 = 161,129.04/x
  3. Step 3: Cross multiply
    560,577.30x = 840,739.86 × 161,129.04
  4. Step 4: Simplify right side
    560,577.30x = 135,467,606,531.53
  5. Step 5: Solve for x
    x = 135,467,606,531.53/560,577.30
  6. Step 6: Final answer
    x = 241,657.32

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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.