Home / 316,929.10-475,293.24-103,647.73

Finding the Fourth Proportional to 316,929.10, 475,293.24 and 103,647.73

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Solution

The fourth proportional to 316,929.10, 475,293.24 and 103,647.73 is: 155,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,929.10 : 475,293.24 = 103,647.73 : x
  2. Step 2: Convert to fraction form
    316,929.10/475,293.24 = 103,647.73/x
  3. Step 3: Cross multiply
    316,929.10x = 475,293.24 × 103,647.73
  4. Step 4: Simplify right side
    316,929.10x = 49,263,065,410.35
  5. Step 5: Solve for x
    x = 49,263,065,410.35/316,929.10
  6. Step 6: Final answer
    x = 155,438.76

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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.