Home / 388,839.78-583,259.61-93,351.78

Finding the Fourth Proportional to 388,839.78, 583,259.61 and 93,351.78

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Solution

The fourth proportional to 388,839.78, 583,259.61 and 93,351.78 is: 140,027.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,839.78 : 583,259.61 = 93,351.78 : x
  2. Step 2: Convert to fraction form
    388,839.78/583,259.61 = 93,351.78/x
  3. Step 3: Cross multiply
    388,839.78x = 583,259.61 × 93,351.78
  4. Step 4: Simplify right side
    388,839.78x = 54,448,322,795.61
  5. Step 5: Solve for x
    x = 54,448,322,795.61/388,839.78
  6. Step 6: Final answer
    x = 140,027.66

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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.