Home / 301,367.20-415,856.45-180,505.38

Finding the Fourth Proportional to 301,367.20, 415,856.45 and 180,505.38

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Solution

The fourth proportional to 301,367.20, 415,856.45 and 180,505.38 is: 249,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,367.20 : 415,856.45 = 180,505.38 : x
  2. Step 2: Convert to fraction form
    301,367.20/415,856.45 = 180,505.38/x
  3. Step 3: Cross multiply
    301,367.20x = 415,856.45 × 180,505.38
  4. Step 4: Simplify right side
    301,367.20x = 75,064,326,532.70
  5. Step 5: Solve for x
    x = 75,064,326,532.70/301,367.20
  6. Step 6: Final answer
    x = 249,079.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.