Home / 220,756.02-304,649.82-156,340.50

Finding the Fourth Proportional to 220,756.02, 304,649.82 and 156,340.50

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Solution

The fourth proportional to 220,756.02, 304,649.82 and 156,340.50 is: 215,754.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,756.02 : 304,649.82 = 156,340.50 : x
  2. Step 2: Convert to fraction form
    220,756.02/304,649.82 = 156,340.50/x
  3. Step 3: Cross multiply
    220,756.02x = 304,649.82 × 156,340.50
  4. Step 4: Simplify right side
    220,756.02x = 47,629,105,183.71
  5. Step 5: Solve for x
    x = 47,629,105,183.71/220,756.02
  6. Step 6: Final answer
    x = 215,754.50

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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.