Home / 388,185.92-581,932.60-151,473.56

Finding the Fourth Proportional to 388,185.92, 581,932.60 and 151,473.56

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Solution

The fourth proportional to 388,185.92, 581,932.60 and 151,473.56 is: 227,075.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,185.92 : 581,932.60 = 151,473.56 : x
  2. Step 2: Convert to fraction form
    388,185.92/581,932.60 = 151,473.56/x
  3. Step 3: Cross multiply
    388,185.92x = 581,932.60 × 151,473.56
  4. Step 4: Simplify right side
    388,185.92x = 88,147,402,602.06
  5. Step 5: Solve for x
    x = 88,147,402,602.06/388,185.92
  6. Step 6: Final answer
    x = 227,075.22

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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.