Home / 388,075.50-582,115.91-148,124.70

Finding the Fourth Proportional to 388,075.50, 582,115.91 and 148,124.70

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Solution

The fourth proportional to 388,075.50, 582,115.91 and 148,124.70 is: 222,188.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,075.50 : 582,115.91 = 148,124.70 : x
  2. Step 2: Convert to fraction form
    388,075.50/582,115.91 = 148,124.70/x
  3. Step 3: Cross multiply
    388,075.50x = 582,115.91 × 148,124.70
  4. Step 4: Simplify right side
    388,075.50x = 86,225,743,793.35
  5. Step 5: Solve for x
    x = 86,225,743,793.35/388,075.50
  6. Step 6: Final answer
    x = 222,188.06

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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.