Home / 406,345.95-609,559.01-140,071.41

Finding the Fourth Proportional to 406,345.95, 609,559.01 and 140,071.41

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Solution

The fourth proportional to 406,345.95, 609,559.01 and 140,071.41 is: 210,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,345.95 : 609,559.01 = 140,071.41 : x
  2. Step 2: Convert to fraction form
    406,345.95/609,559.01 = 140,071.41/x
  3. Step 3: Cross multiply
    406,345.95x = 609,559.01 × 140,071.41
  4. Step 4: Simplify right side
    406,345.95x = 85,381,789,308.55
  5. Step 5: Solve for x
    x = 85,381,789,308.55/406,345.95
  6. Step 6: Final answer
    x = 210,120.93

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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.