Home / 279,298.12-418,884.06-79,614.22

Finding the Fourth Proportional to 279,298.12, 418,884.06 and 79,614.22

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Solution

The fourth proportional to 279,298.12, 418,884.06 and 79,614.22 is: 119,403.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,298.12 : 418,884.06 = 79,614.22 : x
  2. Step 2: Convert to fraction form
    279,298.12/418,884.06 = 79,614.22/x
  3. Step 3: Cross multiply
    279,298.12x = 418,884.06 × 79,614.22
  4. Step 4: Simplify right side
    279,298.12x = 33,349,127,707.33
  5. Step 5: Solve for x
    x = 33,349,127,707.33/279,298.12
  6. Step 6: Final answer
    x = 119,403.34

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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.