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Finding the Fourth Proportional to 248,353.36, 342,774.88 and 140,933.39

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Solution

The fourth proportional to 248,353.36, 342,774.88 and 140,933.39 is: 194,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,353.36 : 342,774.88 = 140,933.39 : x
  2. Step 2: Convert to fraction form
    248,353.36/342,774.88 = 140,933.39/x
  3. Step 3: Cross multiply
    248,353.36x = 342,774.88 × 140,933.39
  4. Step 4: Simplify right side
    248,353.36x = 48,308,423,779.04
  5. Step 5: Solve for x
    x = 48,308,423,779.04/248,353.36
  6. Step 6: Final answer
    x = 194,514.88

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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.