Home / 330,867.16-456,352.02-209,904.04

Finding the Fourth Proportional to 330,867.16, 456,352.02 and 209,904.04

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Solution

The fourth proportional to 330,867.16, 456,352.02 and 209,904.04 is: 289,512.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,867.16 : 456,352.02 = 209,904.04 : x
  2. Step 2: Convert to fraction form
    330,867.16/456,352.02 = 209,904.04/x
  3. Step 3: Cross multiply
    330,867.16x = 456,352.02 × 209,904.04
  4. Step 4: Simplify right side
    330,867.16x = 95,790,132,660.16
  5. Step 5: Solve for x
    x = 95,790,132,660.16/330,867.16
  6. Step 6: Final answer
    x = 289,512.36

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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.