Home / 268,946.10-403,325.02-79,356.13

Finding the Fourth Proportional to 268,946.10, 403,325.02 and 79,356.13

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Solution

The fourth proportional to 268,946.10, 403,325.02 and 79,356.13 is: 119,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,946.10 : 403,325.02 = 79,356.13 : x
  2. Step 2: Convert to fraction form
    268,946.10/403,325.02 = 79,356.13/x
  3. Step 3: Cross multiply
    268,946.10x = 403,325.02 × 79,356.13
  4. Step 4: Simplify right side
    268,946.10x = 32,006,312,719.37
  5. Step 5: Solve for x
    x = 32,006,312,719.37/268,946.10
  6. Step 6: Final answer
    x = 119,006.42

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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.