Home / 389,059.51-583,640.30-152,371.43

Finding the Fourth Proportional to 389,059.51, 583,640.30 and 152,371.43

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Solution

The fourth proportional to 389,059.51, 583,640.30 and 152,371.43 is: 228,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,059.51 : 583,640.30 = 152,371.43 : x
  2. Step 2: Convert to fraction form
    389,059.51/583,640.30 = 152,371.43/x
  3. Step 3: Cross multiply
    389,059.51x = 583,640.30 × 152,371.43
  4. Step 4: Simplify right side
    389,059.51x = 88,930,107,116.63
  5. Step 5: Solve for x
    x = 88,930,107,116.63/389,059.51
  6. Step 6: Final answer
    x = 228,577.13

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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.