Home / 370,401.66-555,643.49-145,732.50

Finding the Fourth Proportional to 370,401.66, 555,643.49 and 145,732.50

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Solution

The fourth proportional to 370,401.66, 555,643.49 and 145,732.50 is: 218,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,401.66 : 555,643.49 = 145,732.50 : x
  2. Step 2: Convert to fraction form
    370,401.66/555,643.49 = 145,732.50/x
  3. Step 3: Cross multiply
    370,401.66x = 555,643.49 × 145,732.50
  4. Step 4: Simplify right side
    370,401.66x = 80,975,314,177.76
  5. Step 5: Solve for x
    x = 80,975,314,177.76/370,401.66
  6. Step 6: Final answer
    x = 218,614.88

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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.