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Finding the Fourth Proportional to 282,836.97, 424,153.40 and 83,103.93

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Solution

The fourth proportional to 282,836.97, 424,153.40 and 83,103.93 is: 124,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,836.97 : 424,153.40 = 83,103.93 : x
  2. Step 2: Convert to fraction form
    282,836.97/424,153.40 = 83,103.93/x
  3. Step 3: Cross multiply
    282,836.97x = 424,153.40 × 83,103.93
  4. Step 4: Simplify right side
    282,836.97x = 35,248,814,047.34
  5. Step 5: Solve for x
    x = 35,248,814,047.34/282,836.97
  6. Step 6: Final answer
    x = 124,625.91

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1.5x scale

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.