Home / 345,214.76-517,581.48-152,984.52

Finding the Fourth Proportional to 345,214.76, 517,581.48 and 152,984.52

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Solution

The fourth proportional to 345,214.76, 517,581.48 and 152,984.52 is: 229,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,214.76 : 517,581.48 = 152,984.52 : x
  2. Step 2: Convert to fraction form
    345,214.76/517,581.48 = 152,984.52/x
  3. Step 3: Cross multiply
    345,214.76x = 517,581.48 × 152,984.52
  4. Step 4: Simplify right side
    345,214.76x = 79,181,954,278.69
  5. Step 5: Solve for x
    x = 79,181,954,278.69/345,214.76
  6. Step 6: Final answer
    x = 229,370.13

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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.