Home / 268,875.60-403,313.40-111,217.20

Finding the Fourth Proportional to 268,875.60, 403,313.40 and 111,217.20

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Solution

The fourth proportional to 268,875.60, 403,313.40 and 111,217.20 is: 166,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,875.60 : 403,313.40 = 111,217.20 : x
  2. Step 2: Convert to fraction form
    268,875.60/403,313.40 = 111,217.20/x
  3. Step 3: Cross multiply
    268,875.60x = 403,313.40 × 111,217.20
  4. Step 4: Simplify right side
    268,875.60x = 44,855,387,070.48
  5. Step 5: Solve for x
    x = 44,855,387,070.48/268,875.60
  6. Step 6: Final answer
    x = 166,825.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.