Home / 213,278.60-318,535.16-193,248.10

Finding the Fourth Proportional to 213,278.60, 318,535.16 and 193,248.10

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Solution

The fourth proportional to 213,278.60, 318,535.16 and 193,248.10 is: 288,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,278.60 : 318,535.16 = 193,248.10 : x
  2. Step 2: Convert to fraction form
    213,278.60/318,535.16 = 193,248.10/x
  3. Step 3: Cross multiply
    213,278.60x = 318,535.16 × 193,248.10
  4. Step 4: Simplify right side
    213,278.60x = 61,556,314,453.20
  5. Step 5: Solve for x
    x = 61,556,314,453.20/213,278.60
  6. Step 6: Final answer
    x = 288,619.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.