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Finding the Fourth Proportional to 490,041.40, 735,062.10 and 157,617.40

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Solution

The fourth proportional to 490,041.40, 735,062.10 and 157,617.40 is: 236,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,041.40 : 735,062.10 = 157,617.40 : x
  2. Step 2: Convert to fraction form
    490,041.40/735,062.10 = 157,617.40/x
  3. Step 3: Cross multiply
    490,041.40x = 735,062.10 × 157,617.40
  4. Step 4: Simplify right side
    490,041.40x = 115,858,577,040.54
  5. Step 5: Solve for x
    x = 115,858,577,040.54/490,041.40
  6. Step 6: Final answer
    x = 236,426.10

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Similar ratio
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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.