Home / 309,407.27-464,111.33-84,769.65

Finding the Fourth Proportional to 309,407.27, 464,111.33 and 84,769.65

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Solution

The fourth proportional to 309,407.27, 464,111.33 and 84,769.65 is: 127,154.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,407.27 : 464,111.33 = 84,769.65 : x
  2. Step 2: Convert to fraction form
    309,407.27/464,111.33 = 84,769.65/x
  3. Step 3: Cross multiply
    309,407.27x = 464,111.33 × 84,769.65
  4. Step 4: Simplify right side
    309,407.27x = 39,342,554,581.29
  5. Step 5: Solve for x
    x = 39,342,554,581.29/309,407.27
  6. Step 6: Final answer
    x = 127,154.59

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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.