Home / 307,527.20-461,290.80-223,546.40

Finding the Fourth Proportional to 307,527.20, 461,290.80 and 223,546.40

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Solution

The fourth proportional to 307,527.20, 461,290.80 and 223,546.40 is: 335,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,527.20 : 461,290.80 = 223,546.40 : x
  2. Step 2: Convert to fraction form
    307,527.20/461,290.80 = 223,546.40/x
  3. Step 3: Cross multiply
    307,527.20x = 461,290.80 × 223,546.40
  4. Step 4: Simplify right side
    307,527.20x = 103,119,897,693.12
  5. Step 5: Solve for x
    x = 103,119,897,693.12/307,527.20
  6. Step 6: Final answer
    x = 335,319.60

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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.