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Finding the Fourth Proportional to 560,216.20, 840,324.30 and 160,821.40

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Solution

The fourth proportional to 560,216.20, 840,324.30 and 160,821.40 is: 241,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,216.20 : 840,324.30 = 160,821.40 : x
  2. Step 2: Convert to fraction form
    560,216.20/840,324.30 = 160,821.40/x
  3. Step 3: Cross multiply
    560,216.20x = 840,324.30 × 160,821.40
  4. Step 4: Simplify right side
    560,216.20x = 135,142,130,380.02
  5. Step 5: Solve for x
    x = 135,142,130,380.02/560,216.20
  6. Step 6: Final answer
    x = 241,232.10

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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.