Home / 290,177.11-435,117.50-170,467.87

Finding the Fourth Proportional to 290,177.11, 435,117.50 and 170,467.87

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Solution

The fourth proportional to 290,177.11, 435,117.50 and 170,467.87 is: 255,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,177.11 : 435,117.50 = 170,467.87 : x
  2. Step 2: Convert to fraction form
    290,177.11/435,117.50 = 170,467.87/x
  3. Step 3: Cross multiply
    290,177.11x = 435,117.50 × 170,467.87
  4. Step 4: Simplify right side
    290,177.11x = 74,173,551,236.48
  5. Step 5: Solve for x
    x = 74,173,551,236.48/290,177.11
  6. Step 6: Final answer
    x = 255,614.76

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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.