Home / 406,345.01-609,557.60-140,070.47

Finding the Fourth Proportional to 406,345.01, 609,557.60 and 140,070.47

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Solution

The fourth proportional to 406,345.01, 609,557.60 and 140,070.47 is: 210,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,345.01 : 609,557.60 = 140,070.47 : x
  2. Step 2: Convert to fraction form
    406,345.01/609,557.60 = 140,070.47/x
  3. Step 3: Cross multiply
    406,345.01x = 609,557.60 × 140,070.47
  4. Step 4: Simplify right side
    406,345.01x = 85,381,016,826.46
  5. Step 5: Solve for x
    x = 85,381,016,826.46/406,345.01
  6. Step 6: Final answer
    x = 210,119.52

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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.