Home / 478,700.06-718,052.38-141,747.05

Finding the Fourth Proportional to 478,700.06, 718,052.38 and 141,747.05

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Solution

The fourth proportional to 478,700.06, 718,052.38 and 141,747.05 is: 212,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,700.06 : 718,052.38 = 141,747.05 : x
  2. Step 2: Convert to fraction form
    478,700.06/718,052.38 = 141,747.05/x
  3. Step 3: Cross multiply
    478,700.06x = 718,052.38 × 141,747.05
  4. Step 4: Simplify right side
    478,700.06x = 101,781,808,051.24
  5. Step 5: Solve for x
    x = 101,781,808,051.24/478,700.06
  6. Step 6: Final answer
    x = 212,621.26

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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.