Home / 440,827.40-661,241.10-108,403.40

Finding the Fourth Proportional to 440,827.40, 661,241.10 and 108,403.40

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Solution

The fourth proportional to 440,827.40, 661,241.10 and 108,403.40 is: 162,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,827.40 : 661,241.10 = 108,403.40 : x
  2. Step 2: Convert to fraction form
    440,827.40/661,241.10 = 108,403.40/x
  3. Step 3: Cross multiply
    440,827.40x = 661,241.10 × 108,403.40
  4. Step 4: Simplify right side
    440,827.40x = 71,680,783,459.74
  5. Step 5: Solve for x
    x = 71,680,783,459.74/440,827.40
  6. Step 6: Final answer
    x = 162,605.10

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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.