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Finding the Fourth Proportional to 339,389.60, 468,342.51 and 203,498.53

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Solution

The fourth proportional to 339,389.60, 468,342.51 and 203,498.53 is: 280,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,389.60 : 468,342.51 = 203,498.53 : x
  2. Step 2: Convert to fraction form
    339,389.60/468,342.51 = 203,498.53/x
  3. Step 3: Cross multiply
    339,389.60x = 468,342.51 × 203,498.53
  4. Step 4: Simplify right side
    339,389.60x = 95,307,010,387.53
  5. Step 5: Solve for x
    x = 95,307,010,387.53/339,389.60
  6. Step 6: Final answer
    x = 280,818.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.