Home / 307,537.20-461,305.80-223,556.40

Finding the Fourth Proportional to 307,537.20, 461,305.80 and 223,556.40

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Solution

The fourth proportional to 307,537.20, 461,305.80 and 223,556.40 is: 335,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,537.20 : 461,305.80 = 223,556.40 : x
  2. Step 2: Convert to fraction form
    307,537.20/461,305.80 = 223,556.40/x
  3. Step 3: Cross multiply
    307,537.20x = 461,305.80 × 223,556.40
  4. Step 4: Simplify right side
    307,537.20x = 103,127,863,947.12
  5. Step 5: Solve for x
    x = 103,127,863,947.12/307,537.20
  6. Step 6: Final answer
    x = 335,334.60

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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.