Home / 245,369.30-368,054.03-76,902.69

Finding the Fourth Proportional to 245,369.30, 368,054.03 and 76,902.69

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Solution

The fourth proportional to 245,369.30, 368,054.03 and 76,902.69 is: 115,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,369.30 : 368,054.03 = 76,902.69 : x
  2. Step 2: Convert to fraction form
    245,369.30/368,054.03 = 76,902.69/x
  3. Step 3: Cross multiply
    245,369.30x = 368,054.03 × 76,902.69
  4. Step 4: Simplify right side
    245,369.30x = 28,304,346,256.42
  5. Step 5: Solve for x
    x = 28,304,346,256.42/245,369.30
  6. Step 6: Final answer
    x = 115,354.07

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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.