Home / 389,159.20-583,756.26-119,267.56

Finding the Fourth Proportional to 389,159.20, 583,756.26 and 119,267.56

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Solution

The fourth proportional to 389,159.20, 583,756.26 and 119,267.56 is: 178,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,159.20 : 583,756.26 = 119,267.56 : x
  2. Step 2: Convert to fraction form
    389,159.20/583,756.26 = 119,267.56/x
  3. Step 3: Cross multiply
    389,159.20x = 583,756.26 × 119,267.56
  4. Step 4: Simplify right side
    389,159.20x = 69,623,184,764.93
  5. Step 5: Solve for x
    x = 69,623,184,764.93/389,159.20
  6. Step 6: Final answer
    x = 178,906.69

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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.