Home / 302,973.18-454,526.28-89,757.78

Finding the Fourth Proportional to 302,973.18, 454,526.28 and 89,757.78

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Solution

The fourth proportional to 302,973.18, 454,526.28 and 89,757.78 is: 134,656.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,973.18 : 454,526.28 = 89,757.78 : x
  2. Step 2: Convert to fraction form
    302,973.18/454,526.28 = 89,757.78/x
  3. Step 3: Cross multiply
    302,973.18x = 454,526.28 × 89,757.78
  4. Step 4: Simplify right side
    302,973.18x = 40,797,269,844.46
  5. Step 5: Solve for x
    x = 40,797,269,844.46/302,973.18
  6. Step 6: Final answer
    x = 134,656.37

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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.