Home / 355,747.65-533,621.67-145,385.37

Finding the Fourth Proportional to 355,747.65, 533,621.67 and 145,385.37

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Solution

The fourth proportional to 355,747.65, 533,621.67 and 145,385.37 is: 218,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,747.65 : 533,621.67 = 145,385.37 : x
  2. Step 2: Convert to fraction form
    355,747.65/533,621.67 = 145,385.37/x
  3. Step 3: Cross multiply
    355,747.65x = 533,621.67 × 145,385.37
  4. Step 4: Simplify right side
    355,747.65x = 77,580,783,932.97
  5. Step 5: Solve for x
    x = 77,580,783,932.97/355,747.65
  6. Step 6: Final answer
    x = 218,078.13

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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.