Home / 335,775.09-503,717.34-99,141.69

Finding the Fourth Proportional to 335,775.09, 503,717.34 and 99,141.69

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Solution

The fourth proportional to 335,775.09, 503,717.34 and 99,141.69 is: 148,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,775.09 : 503,717.34 = 99,141.69 : x
  2. Step 2: Convert to fraction form
    335,775.09/503,717.34 = 99,141.69/x
  3. Step 3: Cross multiply
    335,775.09x = 503,717.34 × 99,141.69
  4. Step 4: Simplify right side
    335,775.09x = 49,939,388,369.90
  5. Step 5: Solve for x
    x = 49,939,388,369.90/335,775.09
  6. Step 6: Final answer
    x = 148,728.69

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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.