Home / 267,766.04-401,368.80-90,211.68

Finding the Fourth Proportional to 267,766.04, 401,368.80 and 90,211.68

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Solution

The fourth proportional to 267,766.04, 401,368.80 and 90,211.68 is: 135,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,766.04 : 401,368.80 = 90,211.68 : x
  2. Step 2: Convert to fraction form
    267,766.04/401,368.80 = 90,211.68/x
  3. Step 3: Cross multiply
    267,766.04x = 401,368.80 × 90,211.68
  4. Step 4: Simplify right side
    267,766.04x = 36,208,153,747.58
  5. Step 5: Solve for x
    x = 36,208,153,747.58/267,766.04
  6. Step 6: Final answer
    x = 135,223.10

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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.