Home / 388,182.30-581,927.15-151,469.93

Finding the Fourth Proportional to 388,182.30, 581,927.15 and 151,469.93

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Solution

The fourth proportional to 388,182.30, 581,927.15 and 151,469.93 is: 227,069.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,182.30 : 581,927.15 = 151,469.93 : x
  2. Step 2: Convert to fraction form
    388,182.30/581,927.15 = 151,469.93/x
  3. Step 3: Cross multiply
    388,182.30x = 581,927.15 × 151,469.93
  4. Step 4: Simplify right side
    388,182.30x = 88,144,461,008.61
  5. Step 5: Solve for x
    x = 88,144,461,008.61/388,182.30
  6. Step 6: Final answer
    x = 227,069.76

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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.