Home / 402,231.08-603,346.09-102,711.51

Finding the Fourth Proportional to 402,231.08, 603,346.09 and 102,711.51

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Solution

The fourth proportional to 402,231.08, 603,346.09 and 102,711.51 is: 154,067.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,231.08 : 603,346.09 = 102,711.51 : x
  2. Step 2: Convert to fraction form
    402,231.08/603,346.09 = 102,711.51/x
  3. Step 3: Cross multiply
    402,231.08x = 603,346.09 × 102,711.51
  4. Step 4: Simplify right side
    402,231.08x = 61,970,584,939.77
  5. Step 5: Solve for x
    x = 61,970,584,939.77/402,231.08
  6. Step 6: Final answer
    x = 154,067.12

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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.