Home / 349,045.75-523,268.76-121,311.79

Finding the Fourth Proportional to 349,045.75, 523,268.76 and 121,311.79

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Solution

The fourth proportional to 349,045.75, 523,268.76 and 121,311.79 is: 181,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,045.75 : 523,268.76 = 121,311.79 : x
  2. Step 2: Convert to fraction form
    349,045.75/523,268.76 = 121,311.79/x
  3. Step 3: Cross multiply
    349,045.75x = 523,268.76 × 121,311.79
  4. Step 4: Simplify right side
    349,045.75x = 63,478,669,926.68
  5. Step 5: Solve for x
    x = 63,478,669,926.68/349,045.75
  6. Step 6: Final answer
    x = 181,863.47

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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.