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Finding the Fourth Proportional to 578,490.80, 867,736.20 and 152,025.80

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Solution

The fourth proportional to 578,490.80, 867,736.20 and 152,025.80 is: 228,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,490.80 : 867,736.20 = 152,025.80 : x
  2. Step 2: Convert to fraction form
    578,490.80/867,736.20 = 152,025.80/x
  3. Step 3: Cross multiply
    578,490.80x = 867,736.20 × 152,025.80
  4. Step 4: Simplify right side
    578,490.80x = 131,918,289,993.96
  5. Step 5: Solve for x
    x = 131,918,289,993.96/578,490.80
  6. Step 6: Final answer
    x = 228,038.70

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Similar ratio
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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.