Home / 836,118-1,254,385.32-245,142

Finding the Fourth Proportional to 836,118, 1,254,385.32 and 245,142

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Solution

The fourth proportional to 836,118, 1,254,385.32 and 245,142 is: 367,774.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,118 : 1,254,385.32 = 245,142 : x
  2. Step 2: Convert to fraction form
    836,118/1,254,385.32 = 245,142/x
  3. Step 3: Cross multiply
    836,118x = 1,254,385.32 × 245,142
  4. Step 4: Simplify right side
    836,118x = 307,502,526,115.44
  5. Step 5: Solve for x
    x = 307,502,526,115.44/836,118
  6. Step 6: Final answer
    x = 367,774.08

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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.