Home / 421,581.08-581,767.27-240,351.37

Finding the Fourth Proportional to 421,581.08, 581,767.27 and 240,351.37

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Solution

The fourth proportional to 421,581.08, 581,767.27 and 240,351.37 is: 331,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,581.08 : 581,767.27 = 240,351.37 : x
  2. Step 2: Convert to fraction form
    421,581.08/581,767.27 = 240,351.37/x
  3. Step 3: Cross multiply
    421,581.08x = 581,767.27 × 240,351.37
  4. Step 4: Simplify right side
    421,581.08x = 139,828,558,310.36
  5. Step 5: Solve for x
    x = 139,828,558,310.36/421,581.08
  6. Step 6: Final answer
    x = 331,676.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.