Home / 302,870.10-454,223.13-89,637.60

Finding the Fourth Proportional to 302,870.10, 454,223.13 and 89,637.60

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Solution

The fourth proportional to 302,870.10, 454,223.13 and 89,637.60 is: 134,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,870.10 : 454,223.13 = 89,637.60 : x
  2. Step 2: Convert to fraction form
    302,870.10/454,223.13 = 89,637.60/x
  3. Step 3: Cross multiply
    302,870.10x = 454,223.13 × 89,637.60
  4. Step 4: Simplify right side
    302,870.10x = 40,715,471,237.69
  5. Step 5: Solve for x
    x = 40,715,471,237.69/302,870.10
  6. Step 6: Final answer
    x = 134,432.13

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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.