Home / 374,549.09-516,751.13-213,289.79

Finding the Fourth Proportional to 374,549.09, 516,751.13 and 213,289.79

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Solution

The fourth proportional to 374,549.09, 516,751.13 and 213,289.79 is: 294,267.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,549.09 : 516,751.13 = 213,289.79 : x
  2. Step 2: Convert to fraction form
    374,549.09/516,751.13 = 213,289.79/x
  3. Step 3: Cross multiply
    374,549.09x = 516,751.13 × 213,289.79
  4. Step 4: Simplify right side
    374,549.09x = 110,217,737,949.43
  5. Step 5: Solve for x
    x = 110,217,737,949.43/374,549.09
  6. Step 6: Final answer
    x = 294,267.81

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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.