Home / 388,631.47-582,947.21-151,808.07

Finding the Fourth Proportional to 388,631.47, 582,947.21 and 151,808.07

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Solution

The fourth proportional to 388,631.47, 582,947.21 and 151,808.07 is: 227,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,631.47 : 582,947.21 = 151,808.07 : x
  2. Step 2: Convert to fraction form
    388,631.47/582,947.21 = 151,808.07/x
  3. Step 3: Cross multiply
    388,631.47x = 582,947.21 × 151,808.07
  4. Step 4: Simplify right side
    388,631.47x = 88,496,090,861.98
  5. Step 5: Solve for x
    x = 88,496,090,861.98/388,631.47
  6. Step 6: Final answer
    x = 227,712.11

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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.