Home / 268,889.90-403,334.85-180,416.30

Finding the Fourth Proportional to 268,889.90, 403,334.85 and 180,416.30

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Solution

The fourth proportional to 268,889.90, 403,334.85 and 180,416.30 is: 270,624.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,889.90 : 403,334.85 = 180,416.30 : x
  2. Step 2: Convert to fraction form
    268,889.90/403,334.85 = 180,416.30/x
  3. Step 3: Cross multiply
    268,889.90x = 403,334.85 × 180,416.30
  4. Step 4: Simplify right side
    268,889.90x = 72,768,181,298.06
  5. Step 5: Solve for x
    x = 72,768,181,298.06/268,889.90
  6. Step 6: Final answer
    x = 270,624.45

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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.