Home / 348,098.30-521,110.65-207,784.70

Finding the Fourth Proportional to 348,098.30, 521,110.65 and 207,784.70

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Solution

The fourth proportional to 348,098.30, 521,110.65 and 207,784.70 is: 311,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,098.30 : 521,110.65 = 207,784.70 : x
  2. Step 2: Convert to fraction form
    348,098.30/521,110.65 = 207,784.70/x
  3. Step 3: Cross multiply
    348,098.30x = 521,110.65 × 207,784.70
  4. Step 4: Simplify right side
    348,098.30x = 108,278,820,077.06
  5. Step 5: Solve for x
    x = 108,278,820,077.06/348,098.30
  6. Step 6: Final answer
    x = 311,058.17

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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.