Home / 253,411.08-349,705.26-140,240.04

Finding the Fourth Proportional to 253,411.08, 349,705.26 and 140,240.04

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Solution

The fourth proportional to 253,411.08, 349,705.26 and 140,240.04 is: 193,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,411.08 : 349,705.26 = 140,240.04 : x
  2. Step 2: Convert to fraction form
    253,411.08/349,705.26 = 140,240.04/x
  3. Step 3: Cross multiply
    253,411.08x = 349,705.26 × 140,240.04
  4. Step 4: Simplify right side
    253,411.08x = 49,042,679,650.61
  5. Step 5: Solve for x
    x = 49,042,679,650.61/253,411.08
  6. Step 6: Final answer
    x = 193,530.13

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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.