Home / 330,894.28-456,316.50-222,244.12

Finding the Fourth Proportional to 330,894.28, 456,316.50 and 222,244.12

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Solution

The fourth proportional to 330,894.28, 456,316.50 and 222,244.12 is: 306,483.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,894.28 : 456,316.50 = 222,244.12 : x
  2. Step 2: Convert to fraction form
    330,894.28/456,316.50 = 222,244.12/x
  3. Step 3: Cross multiply
    330,894.28x = 456,316.50 × 222,244.12
  4. Step 4: Simplify right side
    330,894.28x = 101,413,658,983.98
  5. Step 5: Solve for x
    x = 101,413,658,983.98/330,894.28
  6. Step 6: Final answer
    x = 306,483.57

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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.