Home / 231,031.10-346,607.40-73,259.30

Finding the Fourth Proportional to 231,031.10, 346,607.40 and 73,259.30

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Solution

The fourth proportional to 231,031.10, 346,607.40 and 73,259.30 is: 109,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,031.10 : 346,607.40 = 73,259.30 : x
  2. Step 2: Convert to fraction form
    231,031.10/346,607.40 = 73,259.30/x
  3. Step 3: Cross multiply
    231,031.10x = 346,607.40 × 73,259.30
  4. Step 4: Simplify right side
    231,031.10x = 25,392,215,498.82
  5. Step 5: Solve for x
    x = 25,392,215,498.82/231,031.10
  6. Step 6: Final answer
    x = 109,908.21

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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.