Home / 290,124.11-435,031.22-100,535.85

Finding the Fourth Proportional to 290,124.11, 435,031.22 and 100,535.85

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Solution

The fourth proportional to 290,124.11, 435,031.22 and 100,535.85 is: 150,750.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,124.11 : 435,031.22 = 100,535.85 : x
  2. Step 2: Convert to fraction form
    290,124.11/435,031.22 = 100,535.85/x
  3. Step 3: Cross multiply
    290,124.11x = 435,031.22 × 100,535.85
  4. Step 4: Simplify right side
    290,124.11x = 43,736,233,730.58
  5. Step 5: Solve for x
    x = 43,736,233,730.58/290,124.11
  6. Step 6: Final answer
    x = 150,750.08

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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.