Home / 440,018.20-659,589.90-202,947.40

Finding the Fourth Proportional to 440,018.20, 659,589.90 and 202,947.40

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Solution

The fourth proportional to 440,018.20, 659,589.90 and 202,947.40 is: 304,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,018.20 : 659,589.90 = 202,947.40 : x
  2. Step 2: Convert to fraction form
    440,018.20/659,589.90 = 202,947.40/x
  3. Step 3: Cross multiply
    440,018.20x = 659,589.90 × 202,947.40
  4. Step 4: Simplify right side
    440,018.20x = 133,862,055,271.26
  5. Step 5: Solve for x
    x = 133,862,055,271.26/440,018.20
  6. Step 6: Final answer
    x = 304,219.36

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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.