Home / 302,987.75-454,480.86-89,772.26

Finding the Fourth Proportional to 302,987.75, 454,480.86 and 89,772.26

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Solution

The fourth proportional to 302,987.75, 454,480.86 and 89,772.26 is: 134,658.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,987.75 : 454,480.86 = 89,772.26 : x
  2. Step 2: Convert to fraction form
    302,987.75/454,480.86 = 89,772.26/x
  3. Step 3: Cross multiply
    302,987.75x = 454,480.86 × 89,772.26
  4. Step 4: Simplify right side
    302,987.75x = 40,799,773,928.94
  5. Step 5: Solve for x
    x = 40,799,773,928.94/302,987.75
  6. Step 6: Final answer
    x = 134,658.16

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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.