Home / 389,370.24-583,967.28-178,805.76

Finding the Fourth Proportional to 389,370.24, 583,967.28 and 178,805.76

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Solution

The fourth proportional to 389,370.24, 583,967.28 and 178,805.76 is: 268,168.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,370.24 : 583,967.28 = 178,805.76 : x
  2. Step 2: Convert to fraction form
    389,370.24/583,967.28 = 178,805.76/x
  3. Step 3: Cross multiply
    389,370.24x = 583,967.28 × 178,805.76
  4. Step 4: Simplify right side
    389,370.24x = 104,416,713,315.53
  5. Step 5: Solve for x
    x = 104,416,713,315.53/389,370.24
  6. Step 6: Final answer
    x = 268,168.19

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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.