Home / 369,622.44-554,438.04-145,088.61

Finding the Fourth Proportional to 369,622.44, 554,438.04 and 145,088.61

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Solution

The fourth proportional to 369,622.44, 554,438.04 and 145,088.61 is: 217,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,622.44 : 554,438.04 = 145,088.61 : x
  2. Step 2: Convert to fraction form
    369,622.44/554,438.04 = 145,088.61/x
  3. Step 3: Cross multiply
    369,622.44x = 554,438.04 × 145,088.61
  4. Step 4: Simplify right side
    369,622.44x = 80,442,644,554.72
  5. Step 5: Solve for x
    x = 80,442,644,554.72/369,622.44
  6. Step 6: Final answer
    x = 217,634.63

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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.