Home / 442,936.61-664,510.75-143,417.52

Finding the Fourth Proportional to 442,936.61, 664,510.75 and 143,417.52

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Solution

The fourth proportional to 442,936.61, 664,510.75 and 143,417.52 is: 215,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,936.61 : 664,510.75 = 143,417.52 : x
  2. Step 2: Convert to fraction form
    442,936.61/664,510.75 = 143,417.52/x
  3. Step 3: Cross multiply
    442,936.61x = 664,510.75 × 143,417.52
  4. Step 4: Simplify right side
    442,936.61x = 95,302,483,419.80
  5. Step 5: Solve for x
    x = 95,302,483,419.80/442,936.61
  6. Step 6: Final answer
    x = 215,160.55

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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.