Home / 240,066.94-331,327.08-143,274.90

Finding the Fourth Proportional to 240,066.94, 331,327.08 and 143,274.90

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Solution

The fourth proportional to 240,066.94, 331,327.08 and 143,274.90 is: 197,740.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,066.94 : 331,327.08 = 143,274.90 : x
  2. Step 2: Convert to fraction form
    240,066.94/331,327.08 = 143,274.90/x
  3. Step 3: Cross multiply
    240,066.94x = 331,327.08 × 143,274.90
  4. Step 4: Simplify right side
    240,066.94x = 47,470,854,254.29
  5. Step 5: Solve for x
    x = 47,470,854,254.29/240,066.94
  6. Step 6: Final answer
    x = 197,740.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.