Home / 293,572.20-440,050.46-143,605.48

Finding the Fourth Proportional to 293,572.20, 440,050.46 and 143,605.48

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Solution

The fourth proportional to 293,572.20, 440,050.46 and 143,605.48 is: 215,257.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,572.20 : 440,050.46 = 143,605.48 : x
  2. Step 2: Convert to fraction form
    293,572.20/440,050.46 = 143,605.48/x
  3. Step 3: Cross multiply
    293,572.20x = 440,050.46 × 143,605.48
  4. Step 4: Simplify right side
    293,572.20x = 63,193,657,532.52
  5. Step 5: Solve for x
    x = 63,193,657,532.52/293,572.20
  6. Step 6: Final answer
    x = 215,257.64

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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.