Home / 268,948.95-403,467.18-79,428.48

Finding the Fourth Proportional to 268,948.95, 403,467.18 and 79,428.48

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Solution

The fourth proportional to 268,948.95, 403,467.18 and 79,428.48 is: 119,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,948.95 : 403,467.18 = 79,428.48 : x
  2. Step 2: Convert to fraction form
    268,948.95/403,467.18 = 79,428.48/x
  3. Step 3: Cross multiply
    268,948.95x = 403,467.18 × 79,428.48
  4. Step 4: Simplify right side
    268,948.95x = 32,046,784,837.29
  5. Step 5: Solve for x
    x = 32,046,784,837.29/268,948.95
  6. Step 6: Final answer
    x = 119,155.64

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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.