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Finding the Fourth Proportional to 248,354.58, 342,737.40 and 140,929.14

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Solution

The fourth proportional to 248,354.58, 342,737.40 and 140,929.14 is: 194,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,354.58 : 342,737.40 = 140,929.14 : x
  2. Step 2: Convert to fraction form
    248,354.58/342,737.40 = 140,929.14/x
  3. Step 3: Cross multiply
    248,354.58x = 342,737.40 × 140,929.14
  4. Step 4: Simplify right side
    248,354.58x = 48,301,687,027.84
  5. Step 5: Solve for x
    x = 48,301,687,027.84/248,354.58
  6. Step 6: Final answer
    x = 194,486.80

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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.