Home / 374,436.28-516,661.68-213,294.48

Finding the Fourth Proportional to 374,436.28, 516,661.68 and 213,294.48

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Solution

The fourth proportional to 374,436.28, 516,661.68 and 213,294.48 is: 294,311.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,436.28 : 516,661.68 = 213,294.48 : x
  2. Step 2: Convert to fraction form
    374,436.28/516,661.68 = 213,294.48/x
  3. Step 3: Cross multiply
    374,436.28x = 516,661.68 × 213,294.48
  4. Step 4: Simplify right side
    374,436.28x = 110,201,084,371.53
  5. Step 5: Solve for x
    x = 110,201,084,371.53/374,436.28
  6. Step 6: Final answer
    x = 294,311.98

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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.