Home / 298,890.42-448,434.05-121,349.76

Finding the Fourth Proportional to 298,890.42, 448,434.05 and 121,349.76

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Solution

The fourth proportional to 298,890.42, 448,434.05 and 121,349.76 is: 182,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,890.42 : 448,434.05 = 121,349.76 : x
  2. Step 2: Convert to fraction form
    298,890.42/448,434.05 = 121,349.76/x
  3. Step 3: Cross multiply
    298,890.42x = 448,434.05 × 121,349.76
  4. Step 4: Simplify right side
    298,890.42x = 54,417,364,343.33
  5. Step 5: Solve for x
    x = 54,417,364,343.33/298,890.42
  6. Step 6: Final answer
    x = 182,064.60

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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.