Home / 388,183.68-581,929.21-151,471.30

Finding the Fourth Proportional to 388,183.68, 581,929.21 and 151,471.30

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Solution

The fourth proportional to 388,183.68, 581,929.21 and 151,471.30 is: 227,071.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,183.68 : 581,929.21 = 151,471.30 : x
  2. Step 2: Convert to fraction form
    388,183.68/581,929.21 = 151,471.30/x
  3. Step 3: Cross multiply
    388,183.68x = 581,929.21 × 151,471.30
  4. Step 4: Simplify right side
    388,183.68x = 88,145,573,946.67
  5. Step 5: Solve for x
    x = 88,145,573,946.67/388,183.68
  6. Step 6: Final answer
    x = 227,071.82

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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.