Home / 343,968.47-516,014.68-141,528.82

Finding the Fourth Proportional to 343,968.47, 516,014.68 and 141,528.82

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Solution

The fourth proportional to 343,968.47, 516,014.68 and 141,528.82 is: 212,318.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,968.47 : 516,014.68 = 141,528.82 : x
  2. Step 2: Convert to fraction form
    343,968.47/516,014.68 = 141,528.82/x
  3. Step 3: Cross multiply
    343,968.47x = 516,014.68 × 141,528.82
  4. Step 4: Simplify right side
    343,968.47x = 73,030,947,954.06
  5. Step 5: Solve for x
    x = 73,030,947,954.06/343,968.47
  6. Step 6: Final answer
    x = 212,318.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.