Home / 408,319.63-563,398.23-238,520.95

Finding the Fourth Proportional to 408,319.63, 563,398.23 and 238,520.95

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Solution

The fourth proportional to 408,319.63, 563,398.23 and 238,520.95 is: 329,110.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,319.63 : 563,398.23 = 238,520.95 : x
  2. Step 2: Convert to fraction form
    408,319.63/563,398.23 = 238,520.95/x
  3. Step 3: Cross multiply
    408,319.63x = 563,398.23 × 238,520.95
  4. Step 4: Simplify right side
    408,319.63x = 134,382,281,047.92
  5. Step 5: Solve for x
    x = 134,382,281,047.92/408,319.63
  6. Step 6: Final answer
    x = 329,110.51

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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.