Home / 306,031.23-422,325.43-170,077.93

Finding the Fourth Proportional to 306,031.23, 422,325.43 and 170,077.93

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Solution

The fourth proportional to 306,031.23, 422,325.43 and 170,077.93 is: 234,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,031.23 : 422,325.43 = 170,077.93 : x
  2. Step 2: Convert to fraction form
    306,031.23/422,325.43 = 170,077.93/x
  3. Step 3: Cross multiply
    306,031.23x = 422,325.43 × 170,077.93
  4. Step 4: Simplify right side
    306,031.23x = 71,828,233,439.75
  5. Step 5: Solve for x
    x = 71,828,233,439.75/306,031.23
  6. Step 6: Final answer
    x = 234,708.83

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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.