Home / 389,259.40-583,838.90-123,046.84

Finding the Fourth Proportional to 389,259.40, 583,838.90 and 123,046.84

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Solution

The fourth proportional to 389,259.40, 583,838.90 and 123,046.84 is: 184,554.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,259.40 : 583,838.90 = 123,046.84 : x
  2. Step 2: Convert to fraction form
    389,259.40/583,838.90 = 123,046.84/x
  3. Step 3: Cross multiply
    389,259.40x = 583,838.90 × 123,046.84
  4. Step 4: Simplify right side
    389,259.40x = 71,839,531,714.08
  5. Step 5: Solve for x
    x = 71,839,531,714.08/389,259.40
  6. Step 6: Final answer
    x = 184,554.39

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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.