Home / 340,328.28-510,492.36-91,003.80

Finding the Fourth Proportional to 340,328.28, 510,492.36 and 91,003.80

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Solution

The fourth proportional to 340,328.28, 510,492.36 and 91,003.80 is: 136,505.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,328.28 : 510,492.36 = 91,003.80 : x
  2. Step 2: Convert to fraction form
    340,328.28/510,492.36 = 91,003.80/x
  3. Step 3: Cross multiply
    340,328.28x = 510,492.36 × 91,003.80
  4. Step 4: Simplify right side
    340,328.28x = 46,456,744,630.97
  5. Step 5: Solve for x
    x = 46,456,744,630.97/340,328.28
  6. Step 6: Final answer
    x = 136,505.68

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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.