Home / 545,311.20-817,966.80-146,013.60

Finding the Fourth Proportional to 545,311.20, 817,966.80 and 146,013.60

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Solution

The fourth proportional to 545,311.20, 817,966.80 and 146,013.60 is: 219,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,311.20 : 817,966.80 = 146,013.60 : x
  2. Step 2: Convert to fraction form
    545,311.20/817,966.80 = 146,013.60/x
  3. Step 3: Cross multiply
    545,311.20x = 817,966.80 × 146,013.60
  4. Step 4: Simplify right side
    545,311.20x = 119,434,277,148.48
  5. Step 5: Solve for x
    x = 119,434,277,148.48/545,311.20
  6. Step 6: Final answer
    x = 219,020.40

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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.