Home / 406,322.76-609,445.26-140,046.60

Finding the Fourth Proportional to 406,322.76, 609,445.26 and 140,046.60

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Solution

The fourth proportional to 406,322.76, 609,445.26 and 140,046.60 is: 210,056.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,322.76 : 609,445.26 = 140,046.60 : x
  2. Step 2: Convert to fraction form
    406,322.76/609,445.26 = 140,046.60/x
  3. Step 3: Cross multiply
    406,322.76x = 609,445.26 × 140,046.60
  4. Step 4: Simplify right side
    406,322.76x = 85,350,736,549.12
  5. Step 5: Solve for x
    x = 85,350,736,549.12/406,322.76
  6. Step 6: Final answer
    x = 210,056.50

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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.