Home / 218,332.28-301,282.32-122,820.56

Finding the Fourth Proportional to 218,332.28, 301,282.32 and 122,820.56

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Solution

The fourth proportional to 218,332.28, 301,282.32 and 122,820.56 is: 169,483.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,332.28 : 301,282.32 = 122,820.56 : x
  2. Step 2: Convert to fraction form
    218,332.28/301,282.32 = 122,820.56/x
  3. Step 3: Cross multiply
    218,332.28x = 301,282.32 × 122,820.56
  4. Step 4: Simplify right side
    218,332.28x = 37,003,663,260.50
  5. Step 5: Solve for x
    x = 37,003,663,260.50/218,332.28
  6. Step 6: Final answer
    x = 169,483.24

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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.