Home / 274,123.35-378,298.08-153,264.95

Finding the Fourth Proportional to 274,123.35, 378,298.08 and 153,264.95

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Solution

The fourth proportional to 274,123.35, 378,298.08 and 153,264.95 is: 211,510.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,123.35 : 378,298.08 = 153,264.95 : x
  2. Step 2: Convert to fraction form
    274,123.35/378,298.08 = 153,264.95/x
  3. Step 3: Cross multiply
    274,123.35x = 378,298.08 × 153,264.95
  4. Step 4: Simplify right side
    274,123.35x = 57,979,836,316.30
  5. Step 5: Solve for x
    x = 57,979,836,316.30/274,123.35
  6. Step 6: Final answer
    x = 211,510.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.