Home / 370,204.18-555,306.26-89,721.43

Finding the Fourth Proportional to 370,204.18, 555,306.26 and 89,721.43

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Solution

The fourth proportional to 370,204.18, 555,306.26 and 89,721.43 is: 134,582.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,204.18 : 555,306.26 = 89,721.43 : x
  2. Step 2: Convert to fraction form
    370,204.18/555,306.26 = 89,721.43/x
  3. Step 3: Cross multiply
    370,204.18x = 555,306.26 × 89,721.43
  4. Step 4: Simplify right side
    370,204.18x = 49,822,871,735.15
  5. Step 5: Solve for x
    x = 49,822,871,735.15/370,204.18
  6. Step 6: Final answer
    x = 134,582.14

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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.