Home / 406,132.58-609,001.51-203,641.69

Finding the Fourth Proportional to 406,132.58, 609,001.51 and 203,641.69

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Solution

The fourth proportional to 406,132.58, 609,001.51 and 203,641.69 is: 305,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,132.58 : 609,001.51 = 203,641.69 : x
  2. Step 2: Convert to fraction form
    406,132.58/609,001.51 = 203,641.69/x
  3. Step 3: Cross multiply
    406,132.58x = 609,001.51 × 203,641.69
  4. Step 4: Simplify right side
    406,132.58x = 124,018,097,722.35
  5. Step 5: Solve for x
    x = 124,018,097,722.35/406,132.58
  6. Step 6: Final answer
    x = 305,363.58

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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.