Home / 440,143.40-660,433.80-173,912.60

Finding the Fourth Proportional to 440,143.40, 660,433.80 and 173,912.60

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Solution

The fourth proportional to 440,143.40, 660,433.80 and 173,912.60 is: 260,955.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,143.40 : 660,433.80 = 173,912.60 : x
  2. Step 2: Convert to fraction form
    440,143.40/660,433.80 = 173,912.60/x
  3. Step 3: Cross multiply
    440,143.40x = 660,433.80 × 173,912.60
  4. Step 4: Simplify right side
    440,143.40x = 114,857,759,285.88
  5. Step 5: Solve for x
    x = 114,857,759,285.88/440,143.40
  6. Step 6: Final answer
    x = 260,955.31

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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.