Home / 374,478.52-516,741.30-213,299.80

Finding the Fourth Proportional to 374,478.52, 516,741.30 and 213,299.80

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Solution

The fourth proportional to 374,478.52, 516,741.30 and 213,299.80 is: 294,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,478.52 : 516,741.30 = 213,299.80 : x
  2. Step 2: Convert to fraction form
    374,478.52/516,741.30 = 213,299.80/x
  3. Step 3: Cross multiply
    374,478.52x = 516,741.30 × 213,299.80
  4. Step 4: Simplify right side
    374,478.52x = 110,220,815,941.74
  5. Step 5: Solve for x
    x = 110,220,815,941.74/374,478.52
  6. Step 6: Final answer
    x = 294,331.48

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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.