Home / 231,406.50-346,976.91-91,088.58

Finding the Fourth Proportional to 231,406.50, 346,976.91 and 91,088.58

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Solution

The fourth proportional to 231,406.50, 346,976.91 and 91,088.58 is: 136,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,406.50 : 346,976.91 = 91,088.58 : x
  2. Step 2: Convert to fraction form
    231,406.50/346,976.91 = 91,088.58/x
  3. Step 3: Cross multiply
    231,406.50x = 346,976.91 × 91,088.58
  4. Step 4: Simplify right side
    231,406.50x = 31,605,634,024.69
  5. Step 5: Solve for x
    x = 31,605,634,024.69/231,406.50
  6. Step 6: Final answer
    x = 136,580.58

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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.