Home / 389,168.40-583,704.28-104,881.18

Finding the Fourth Proportional to 389,168.40, 583,704.28 and 104,881.18

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Solution

The fourth proportional to 389,168.40, 583,704.28 and 104,881.18 is: 157,308.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,168.40 : 583,704.28 = 104,881.18 : x
  2. Step 2: Convert to fraction form
    389,168.40/583,704.28 = 104,881.18/x
  3. Step 3: Cross multiply
    389,168.40x = 583,704.28 × 104,881.18
  4. Step 4: Simplify right side
    389,168.40x = 61,219,592,833.78
  5. Step 5: Solve for x
    x = 61,219,592,833.78/389,168.40
  6. Step 6: Final answer
    x = 157,308.75

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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.