Home / 374,705.90-561,864.45-137,926.70

Finding the Fourth Proportional to 374,705.90, 561,864.45 and 137,926.70

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Solution

The fourth proportional to 374,705.90, 561,864.45 and 137,926.70 is: 206,818.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,705.90 : 561,864.45 = 137,926.70 : x
  2. Step 2: Convert to fraction form
    374,705.90/561,864.45 = 137,926.70/x
  3. Step 3: Cross multiply
    374,705.90x = 561,864.45 × 137,926.70
  4. Step 4: Simplify right side
    374,705.90x = 77,496,109,435.82
  5. Step 5: Solve for x
    x = 77,496,109,435.82/374,705.90
  6. Step 6: Final answer
    x = 206,818.49

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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.