Home / 282,675.30-424,012.95-72,302.10

Finding the Fourth Proportional to 282,675.30, 424,012.95 and 72,302.10

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Solution

The fourth proportional to 282,675.30, 424,012.95 and 72,302.10 is: 108,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,675.30 : 424,012.95 = 72,302.10 : x
  2. Step 2: Convert to fraction form
    282,675.30/424,012.95 = 72,302.10/x
  3. Step 3: Cross multiply
    282,675.30x = 424,012.95 × 72,302.10
  4. Step 4: Simplify right side
    282,675.30x = 30,657,026,712.20
  5. Step 5: Solve for x
    x = 30,657,026,712.20/282,675.30
  6. Step 6: Final answer
    x = 108,453.15

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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.