Home / 440,066.20-659,661.90-202,995.40

Finding the Fourth Proportional to 440,066.20, 659,661.90 and 202,995.40

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Solution

The fourth proportional to 440,066.20, 659,661.90 and 202,995.40 is: 304,291.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,066.20 : 659,661.90 = 202,995.40 : x
  2. Step 2: Convert to fraction form
    440,066.20/659,661.90 = 202,995.40/x
  3. Step 3: Cross multiply
    440,066.20x = 659,661.90 × 202,995.40
  4. Step 4: Simplify right side
    440,066.20x = 133,908,331,255.26
  5. Step 5: Solve for x
    x = 133,908,331,255.26/440,066.20
  6. Step 6: Final answer
    x = 304,291.33

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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.