Home / 268,136.96-370,028.88-147,281.60

Finding the Fourth Proportional to 268,136.96, 370,028.88 and 147,281.60

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Solution

The fourth proportional to 268,136.96, 370,028.88 and 147,281.60 is: 203,248.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,136.96 : 370,028.88 = 147,281.60 : x
  2. Step 2: Convert to fraction form
    268,136.96/370,028.88 = 147,281.60/x
  3. Step 3: Cross multiply
    268,136.96x = 370,028.88 × 147,281.60
  4. Step 4: Simplify right side
    268,136.96x = 54,498,445,492.61
  5. Step 5: Solve for x
    x = 54,498,445,492.61/268,136.96
  6. Step 6: Final answer
    x = 203,248.54

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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.