Home / 307,537.70-461,306.55-223,556.90

Finding the Fourth Proportional to 307,537.70, 461,306.55 and 223,556.90

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Solution

The fourth proportional to 307,537.70, 461,306.55 and 223,556.90 is: 335,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,537.70 : 461,306.55 = 223,556.90 : x
  2. Step 2: Convert to fraction form
    307,537.70/461,306.55 = 223,556.90/x
  3. Step 3: Cross multiply
    307,537.70x = 461,306.55 × 223,556.90
  4. Step 4: Simplify right side
    307,537.70x = 103,128,262,267.70
  5. Step 5: Solve for x
    x = 103,128,262,267.70/307,537.70
  6. Step 6: Final answer
    x = 335,335.35

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1.5x scale

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.