Home / 340,203.31-510,286.20-103,527.52

Finding the Fourth Proportional to 340,203.31, 510,286.20 and 103,527.52

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Solution

The fourth proportional to 340,203.31, 510,286.20 and 103,527.52 is: 155,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,203.31 : 510,286.20 = 103,527.52 : x
  2. Step 2: Convert to fraction form
    340,203.31/510,286.20 = 103,527.52/x
  3. Step 3: Cross multiply
    340,203.31x = 510,286.20 × 103,527.52
  4. Step 4: Simplify right side
    340,203.31x = 52,828,664,776.22
  5. Step 5: Solve for x
    x = 52,828,664,776.22/340,203.31
  6. Step 6: Final answer
    x = 155,285.57

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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.