Home / 389,282.04-583,893.90-108,821.16

Finding the Fourth Proportional to 389,282.04, 583,893.90 and 108,821.16

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Solution

The fourth proportional to 389,282.04, 583,893.90 and 108,821.16 is: 163,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,282.04 : 583,893.90 = 108,821.16 : x
  2. Step 2: Convert to fraction form
    389,282.04/583,893.90 = 108,821.16/x
  3. Step 3: Cross multiply
    389,282.04x = 583,893.90 × 108,821.16
  4. Step 4: Simplify right side
    389,282.04x = 63,540,011,514.92
  5. Step 5: Solve for x
    x = 63,540,011,514.92/389,282.04
  6. Step 6: Final answer
    x = 163,223.59

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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.