Home / 309,517.18-427,222.28-182,266.58

Finding the Fourth Proportional to 309,517.18, 427,222.28 and 182,266.58

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Solution

The fourth proportional to 309,517.18, 427,222.28 and 182,266.58 is: 251,580.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,517.18 : 427,222.28 = 182,266.58 : x
  2. Step 2: Convert to fraction form
    309,517.18/427,222.28 = 182,266.58/x
  3. Step 3: Cross multiply
    309,517.18x = 427,222.28 × 182,266.58
  4. Step 4: Simplify right side
    309,517.18x = 77,868,343,875.40
  5. Step 5: Solve for x
    x = 77,868,343,875.40/309,517.18
  6. Step 6: Final answer
    x = 251,580.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.