Home / 268,938.06-403,278.45-156,650.29

Finding the Fourth Proportional to 268,938.06, 403,278.45 and 156,650.29

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Solution

The fourth proportional to 268,938.06, 403,278.45 and 156,650.29 is: 234,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,938.06 : 403,278.45 = 156,650.29 : x
  2. Step 2: Convert to fraction form
    268,938.06/403,278.45 = 156,650.29/x
  3. Step 3: Cross multiply
    268,938.06x = 403,278.45 × 156,650.29
  4. Step 4: Simplify right side
    268,938.06x = 63,173,684,547.62
  5. Step 5: Solve for x
    x = 63,173,684,547.62/268,938.06
  6. Step 6: Final answer
    x = 234,900.50

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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.