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Finding the Fourth Proportional to 375,510.33, 563,260.03 and 91,203.06

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Solution

The fourth proportional to 375,510.33, 563,260.03 and 91,203.06 is: 136,803.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,510.33 : 563,260.03 = 91,203.06 : x
  2. Step 2: Convert to fraction form
    375,510.33/563,260.03 = 91,203.06/x
  3. Step 3: Cross multiply
    375,510.33x = 563,260.03 × 91,203.06
  4. Step 4: Simplify right side
    375,510.33x = 51,371,040,195.91
  5. Step 5: Solve for x
    x = 51,371,040,195.91/375,510.33
  6. Step 6: Final answer
    x = 136,803.27

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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.