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Finding the Fourth Proportional to 344,804.55, 517,206.80 and 95,486.55

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Solution

The fourth proportional to 344,804.55, 517,206.80 and 95,486.55 is: 143,229.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,804.55 : 517,206.80 = 95,486.55 : x
  2. Step 2: Convert to fraction form
    344,804.55/517,206.80 = 95,486.55/x
  3. Step 3: Cross multiply
    344,804.55x = 517,206.80 × 95,486.55
  4. Step 4: Simplify right side
    344,804.55x = 49,386,292,491.11
  5. Step 5: Solve for x
    x = 49,386,292,491.11/344,804.55
  6. Step 6: Final answer
    x = 143,229.82

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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.