Home / 398,057.03-596,726.82-145,160.06

Finding the Fourth Proportional to 398,057.03, 596,726.82 and 145,160.06

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Solution

The fourth proportional to 398,057.03, 596,726.82 and 145,160.06 is: 217,609.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,057.03 : 596,726.82 = 145,160.06 : x
  2. Step 2: Convert to fraction form
    398,057.03/596,726.82 = 145,160.06/x
  3. Step 3: Cross multiply
    398,057.03x = 596,726.82 × 145,160.06
  4. Step 4: Simplify right side
    398,057.03x = 86,620,900,994.81
  5. Step 5: Solve for x
    x = 86,620,900,994.81/398,057.03
  6. Step 6: Final answer
    x = 217,609.27

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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.