Home / 268,829.60-403,463.10-260,081.60

Finding the Fourth Proportional to 268,829.60, 403,463.10 and 260,081.60

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Solution

The fourth proportional to 268,829.60, 403,463.10 and 260,081.60 is: 390,333.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,829.60 : 403,463.10 = 260,081.60 : x
  2. Step 2: Convert to fraction form
    268,829.60/403,463.10 = 260,081.60/x
  3. Step 3: Cross multiply
    268,829.60x = 403,463.10 × 260,081.60
  4. Step 4: Simplify right side
    268,829.60x = 104,933,328,588.96
  5. Step 5: Solve for x
    x = 104,933,328,588.96/268,829.60
  6. Step 6: Final answer
    x = 390,333.98

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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.