Home / 478,114.22-659,821.86-271,397.16

Finding the Fourth Proportional to 478,114.22, 659,821.86 and 271,397.16

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Solution

The fourth proportional to 478,114.22, 659,821.86 and 271,397.16 is: 374,541.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,114.22 : 659,821.86 = 271,397.16 : x
  2. Step 2: Convert to fraction form
    478,114.22/659,821.86 = 271,397.16/x
  3. Step 3: Cross multiply
    478,114.22x = 659,821.86 × 271,397.16
  4. Step 4: Simplify right side
    478,114.22x = 179,073,778,909.92
  5. Step 5: Solve for x
    x = 179,073,778,909.92/478,114.22
  6. Step 6: Final answer
    x = 374,541.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.