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Finding the Fourth Proportional to 560,214.56, 840,431.10 and 181,229.24

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Solution

The fourth proportional to 560,214.56, 840,431.10 and 181,229.24 is: 271,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,214.56 : 840,431.10 = 181,229.24 : x
  2. Step 2: Convert to fraction form
    560,214.56/840,431.10 = 181,229.24/x
  3. Step 3: Cross multiply
    560,214.56x = 840,431.10 × 181,229.24
  4. Step 4: Simplify right side
    560,214.56x = 152,310,689,525.36
  5. Step 5: Solve for x
    x = 152,310,689,525.36/560,214.56
  6. Step 6: Final answer
    x = 271,879.21

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1.5x scale

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.