Home / 478,675.14-718,020.17-141,749.88

Finding the Fourth Proportional to 478,675.14, 718,020.17 and 141,749.88

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Solution

The fourth proportional to 478,675.14, 718,020.17 and 141,749.88 is: 212,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,675.14 : 718,020.17 = 141,749.88 : x
  2. Step 2: Convert to fraction form
    478,675.14/718,020.17 = 141,749.88/x
  3. Step 3: Cross multiply
    478,675.14x = 718,020.17 × 141,749.88
  4. Step 4: Simplify right side
    478,675.14x = 101,779,272,226.33
  5. Step 5: Solve for x
    x = 101,779,272,226.33/478,675.14
  6. Step 6: Final answer
    x = 212,627.03

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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.