Home / 307,585.40-461,378.10-223,604.60

Finding the Fourth Proportional to 307,585.40, 461,378.10 and 223,604.60

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Solution

The fourth proportional to 307,585.40, 461,378.10 and 223,604.60 is: 335,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,585.40 : 461,378.10 = 223,604.60 : x
  2. Step 2: Convert to fraction form
    307,585.40/461,378.10 = 223,604.60/x
  3. Step 3: Cross multiply
    307,585.40x = 461,378.10 × 223,604.60
  4. Step 4: Simplify right side
    307,585.40x = 103,166,265,499.26
  5. Step 5: Solve for x
    x = 103,166,265,499.26/307,585.40
  6. Step 6: Final answer
    x = 335,406.90

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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.