Home / 810,135.40-1,215,375.90-249,226.60

Finding the Fourth Proportional to 810,135.40, 1,215,375.90 and 249,226.60

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Solution

The fourth proportional to 810,135.40, 1,215,375.90 and 249,226.60 is: 373,893.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,135.40 : 1,215,375.90 = 249,226.60 : x
  2. Step 2: Convert to fraction form
    810,135.40/1,215,375.90 = 249,226.60/x
  3. Step 3: Cross multiply
    810,135.40x = 1,215,375.90 × 249,226.60
  4. Step 4: Simplify right side
    810,135.40x = 302,904,003,278.94
  5. Step 5: Solve for x
    x = 302,904,003,278.94/810,135.40
  6. Step 6: Final answer
    x = 373,893.06

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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.