Home / 369,845.91-554,784.69-145,255.04

Finding the Fourth Proportional to 369,845.91, 554,784.69 and 145,255.04

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Solution

The fourth proportional to 369,845.91, 554,784.69 and 145,255.04 is: 217,888.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,845.91 : 554,784.69 = 145,255.04 : x
  2. Step 2: Convert to fraction form
    369,845.91/554,784.69 = 145,255.04/x
  3. Step 3: Cross multiply
    369,845.91x = 554,784.69 × 145,255.04
  4. Step 4: Simplify right side
    369,845.91x = 80,585,272,337.34
  5. Step 5: Solve for x
    x = 80,585,272,337.34/369,845.91
  6. Step 6: Final answer
    x = 217,888.78

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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.