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Finding the Fourth Proportional to 268,680.88, 370,779.60 and 147,819.60

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Solution

The fourth proportional to 268,680.88, 370,779.60 and 147,819.60 is: 203,991.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,680.88 : 370,779.60 = 147,819.60 : x
  2. Step 2: Convert to fraction form
    268,680.88/370,779.60 = 147,819.60/x
  3. Step 3: Cross multiply
    268,680.88x = 370,779.60 × 147,819.60
  4. Step 4: Simplify right side
    268,680.88x = 54,808,492,160.16
  5. Step 5: Solve for x
    x = 54,808,492,160.16/268,680.88
  6. Step 6: Final answer
    x = 203,991.04

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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.