Home / 298,656.24-447,828.84-140,842.32

Finding the Fourth Proportional to 298,656.24, 447,828.84 and 140,842.32

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Solution

The fourth proportional to 298,656.24, 447,828.84 and 140,842.32 is: 211,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,656.24 : 447,828.84 = 140,842.32 : x
  2. Step 2: Convert to fraction form
    298,656.24/447,828.84 = 140,842.32/x
  3. Step 3: Cross multiply
    298,656.24x = 447,828.84 × 140,842.32
  4. Step 4: Simplify right side
    298,656.24x = 63,073,252,788.51
  5. Step 5: Solve for x
    x = 63,073,252,788.51/298,656.24
  6. Step 6: Final answer
    x = 211,190.14

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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.