Home / 282,931.68-424,584.48-133,214.78

Finding the Fourth Proportional to 282,931.68, 424,584.48 and 133,214.78

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Solution

The fourth proportional to 282,931.68, 424,584.48 and 133,214.78 is: 199,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,931.68 : 424,584.48 = 133,214.78 : x
  2. Step 2: Convert to fraction form
    282,931.68/424,584.48 = 133,214.78/x
  3. Step 3: Cross multiply
    282,931.68x = 424,584.48 × 133,214.78
  4. Step 4: Simplify right side
    282,931.68x = 56,560,928,094.61
  5. Step 5: Solve for x
    x = 56,560,928,094.61/282,931.68
  6. Step 6: Final answer
    x = 199,910.20

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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.