Home / 293,513.60-440,270.40-106,500.80

Finding the Fourth Proportional to 293,513.60, 440,270.40 and 106,500.80

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Solution

The fourth proportional to 293,513.60, 440,270.40 and 106,500.80 is: 159,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,513.60 : 440,270.40 = 106,500.80 : x
  2. Step 2: Convert to fraction form
    293,513.60/440,270.40 = 106,500.80/x
  3. Step 3: Cross multiply
    293,513.60x = 440,270.40 × 106,500.80
  4. Step 4: Simplify right side
    293,513.60x = 46,889,149,816.32
  5. Step 5: Solve for x
    x = 46,889,149,816.32/293,513.60
  6. Step 6: Final answer
    x = 159,751.20

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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.