Home / 389,309.04-583,934.40-108,848.16

Finding the Fourth Proportional to 389,309.04, 583,934.40 and 108,848.16

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Solution

The fourth proportional to 389,309.04, 583,934.40 and 108,848.16 is: 163,264.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,309.04 : 583,934.40 = 108,848.16 : x
  2. Step 2: Convert to fraction form
    389,309.04/583,934.40 = 108,848.16/x
  3. Step 3: Cross multiply
    389,309.04x = 583,934.40 × 108,848.16
  4. Step 4: Simplify right side
    389,309.04x = 63,560,185,000.70
  5. Step 5: Solve for x
    x = 63,560,185,000.70/389,309.04
  6. Step 6: Final answer
    x = 163,264.09

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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.