Home / 298,715.07-448,259.46-121,222.10

Finding the Fourth Proportional to 298,715.07, 448,259.46 and 121,222.10

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Solution

The fourth proportional to 298,715.07, 448,259.46 and 121,222.10 is: 181,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,715.07 : 448,259.46 = 121,222.10 : x
  2. Step 2: Convert to fraction form
    298,715.07/448,259.46 = 121,222.10/x
  3. Step 3: Cross multiply
    298,715.07x = 448,259.46 × 121,222.10
  4. Step 4: Simplify right side
    298,715.07x = 54,338,950,844.77
  5. Step 5: Solve for x
    x = 54,338,950,844.77/298,715.07
  6. Step 6: Final answer
    x = 181,908.97

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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.