Home / 251,721.30-377,581.95-247,347.30

Finding the Fourth Proportional to 251,721.30, 377,581.95 and 247,347.30

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Solution

The fourth proportional to 251,721.30, 377,581.95 and 247,347.30 is: 371,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,721.30 : 377,581.95 = 247,347.30 : x
  2. Step 2: Convert to fraction form
    251,721.30/377,581.95 = 247,347.30/x
  3. Step 3: Cross multiply
    251,721.30x = 377,581.95 × 247,347.30
  4. Step 4: Simplify right side
    251,721.30x = 93,393,875,861.24
  5. Step 5: Solve for x
    x = 93,393,875,861.24/251,721.30
  6. Step 6: Final answer
    x = 371,020.95

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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.