Home / 216,010.20-324,015.30-132,029.40

Finding the Fourth Proportional to 216,010.20, 324,015.30 and 132,029.40

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Solution

The fourth proportional to 216,010.20, 324,015.30 and 132,029.40 is: 198,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,010.20 : 324,015.30 = 132,029.40 : x
  2. Step 2: Convert to fraction form
    216,010.20/324,015.30 = 132,029.40/x
  3. Step 3: Cross multiply
    216,010.20x = 324,015.30 × 132,029.40
  4. Step 4: Simplify right side
    216,010.20x = 42,779,545,649.82
  5. Step 5: Solve for x
    x = 42,779,545,649.82/216,010.20
  6. Step 6: Final answer
    x = 198,044.10

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1.5x scale

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.