Home / 406,345.64-609,558.56-140,071.08

Finding the Fourth Proportional to 406,345.64, 609,558.56 and 140,071.08

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Solution

The fourth proportional to 406,345.64, 609,558.56 and 140,071.08 is: 210,120.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,345.64 : 609,558.56 = 140,071.08 : x
  2. Step 2: Convert to fraction form
    406,345.64/609,558.56 = 140,071.08/x
  3. Step 3: Cross multiply
    406,345.64x = 609,558.56 × 140,071.08
  4. Step 4: Simplify right side
    406,345.64x = 85,381,525,822.44
  5. Step 5: Solve for x
    x = 85,381,525,822.44/406,345.64
  6. Step 6: Final answer
    x = 210,120.44

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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.