Home / 374,306.81-516,635.19-213,256.82

Finding the Fourth Proportional to 374,306.81, 516,635.19 and 213,256.82

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Solution

The fourth proportional to 374,306.81, 516,635.19 and 213,256.82 is: 294,346.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,306.81 : 516,635.19 = 213,256.82 : x
  2. Step 2: Convert to fraction form
    374,306.81/516,635.19 = 213,256.82/x
  3. Step 3: Cross multiply
    374,306.81x = 516,635.19 × 213,256.82
  4. Step 4: Simplify right side
    374,306.81x = 110,175,979,011.08
  5. Step 5: Solve for x
    x = 110,175,979,011.08/374,306.81
  6. Step 6: Final answer
    x = 294,346.72

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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.