Home / 219,022.20-328,437.30-100,654.20

Finding the Fourth Proportional to 219,022.20, 328,437.30 and 100,654.20

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Solution

The fourth proportional to 219,022.20, 328,437.30 and 100,654.20 is: 150,937.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,022.20 : 328,437.30 = 100,654.20 : x
  2. Step 2: Convert to fraction form
    219,022.20/328,437.30 = 100,654.20/x
  3. Step 3: Cross multiply
    219,022.20x = 328,437.30 × 100,654.20
  4. Step 4: Simplify right side
    219,022.20x = 33,058,593,681.66
  5. Step 5: Solve for x
    x = 33,058,593,681.66/219,022.20
  6. Step 6: Final answer
    x = 150,937.18

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1.5x scale

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.