Home / 406,308.27-609,632.53-178,486.39

Finding the Fourth Proportional to 406,308.27, 609,632.53 and 178,486.39

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Solution

The fourth proportional to 406,308.27, 609,632.53 and 178,486.39 is: 267,804.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,308.27 : 609,632.53 = 178,486.39 : x
  2. Step 2: Convert to fraction form
    406,308.27/609,632.53 = 178,486.39/x
  3. Step 3: Cross multiply
    406,308.27x = 609,632.53 × 178,486.39
  4. Step 4: Simplify right side
    406,308.27x = 108,811,109,506.27
  5. Step 5: Solve for x
    x = 108,811,109,506.27/406,308.27
  6. Step 6: Final answer
    x = 267,804.32

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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.