Home / 409,055.28-613,377.59-238,332.25

Finding the Fourth Proportional to 409,055.28, 613,377.59 and 238,332.25

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Solution

The fourth proportional to 409,055.28, 613,377.59 and 238,332.25 is: 357,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,055.28 : 613,377.59 = 238,332.25 : x
  2. Step 2: Convert to fraction form
    409,055.28/613,377.59 = 238,332.25/x
  3. Step 3: Cross multiply
    409,055.28x = 613,377.59 × 238,332.25
  4. Step 4: Simplify right side
    409,055.28x = 146,187,661,124.28
  5. Step 5: Solve for x
    x = 146,187,661,124.28/409,055.28
  6. Step 6: Final answer
    x = 357,378.74

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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.