Home / 252,875.30-379,338.36-72,965.19

Finding the Fourth Proportional to 252,875.30, 379,338.36 and 72,965.19

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Solution

The fourth proportional to 252,875.30, 379,338.36 and 72,965.19 is: 109,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,875.30 : 379,338.36 = 72,965.19 : x
  2. Step 2: Convert to fraction form
    252,875.30/379,338.36 = 72,965.19/x
  3. Step 3: Cross multiply
    252,875.30x = 379,338.36 × 72,965.19
  4. Step 4: Simplify right side
    252,875.30x = 27,678,495,511.69
  5. Step 5: Solve for x
    x = 27,678,495,511.69/252,875.30
  6. Step 6: Final answer
    x = 109,455.12

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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.