Home / 538,280.77-807,579.05-159,211.50

Finding the Fourth Proportional to 538,280.77, 807,579.05 and 159,211.50

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Solution

The fourth proportional to 538,280.77, 807,579.05 and 159,211.50 is: 238,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,280.77 : 807,579.05 = 159,211.50 : x
  2. Step 2: Convert to fraction form
    538,280.77/807,579.05 = 159,211.50/x
  3. Step 3: Cross multiply
    538,280.77x = 807,579.05 × 159,211.50
  4. Step 4: Simplify right side
    538,280.77x = 128,575,872,317.10
  5. Step 5: Solve for x
    x = 128,575,872,317.10/538,280.77
  6. Step 6: Final answer
    x = 238,863.95

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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.