Home / 302,740.33-454,110.22-142,778.95

Finding the Fourth Proportional to 302,740.33, 454,110.22 and 142,778.95

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Solution

The fourth proportional to 302,740.33, 454,110.22 and 142,778.95 is: 214,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,740.33 : 454,110.22 = 142,778.95 : x
  2. Step 2: Convert to fraction form
    302,740.33/454,110.22 = 142,778.95/x
  3. Step 3: Cross multiply
    302,740.33x = 454,110.22 × 142,778.95
  4. Step 4: Simplify right side
    302,740.33x = 64,837,380,395.87
  5. Step 5: Solve for x
    x = 64,837,380,395.87/302,740.33
  6. Step 6: Final answer
    x = 214,168.30

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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.