Home / 369,621.75-554,437.03-145,087.93

Finding the Fourth Proportional to 369,621.75, 554,437.03 and 145,087.93

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Solution

The fourth proportional to 369,621.75, 554,437.03 and 145,087.93 is: 217,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,621.75 : 554,437.03 = 145,087.93 : x
  2. Step 2: Convert to fraction form
    369,621.75/554,437.03 = 145,087.93/x
  3. Step 3: Cross multiply
    369,621.75x = 554,437.03 × 145,087.93
  4. Step 4: Simplify right side
    369,621.75x = 80,442,120,998.05
  5. Step 5: Solve for x
    x = 80,442,120,998.05/369,621.75
  6. Step 6: Final answer
    x = 217,633.62

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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.