Home / 355,254.08-490,467.83-231,193.26

Finding the Fourth Proportional to 355,254.08, 490,467.83 and 231,193.26

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Solution

The fourth proportional to 355,254.08, 490,467.83 and 231,193.26 is: 319,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,254.08 : 490,467.83 = 231,193.26 : x
  2. Step 2: Convert to fraction form
    355,254.08/490,467.83 = 231,193.26/x
  3. Step 3: Cross multiply
    355,254.08x = 490,467.83 × 231,193.26
  4. Step 4: Simplify right side
    355,254.08x = 113,392,855,386.86
  5. Step 5: Solve for x
    x = 113,392,855,386.86/355,254.08
  6. Step 6: Final answer
    x = 319,188.05

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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.