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Finding the Fourth Proportional to 375,497.93, 563,242.02 and 91,190.81

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Solution

The fourth proportional to 375,497.93, 563,242.02 and 91,190.81 is: 136,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,497.93 : 563,242.02 = 91,190.81 : x
  2. Step 2: Convert to fraction form
    375,497.93/563,242.02 = 91,190.81/x
  3. Step 3: Cross multiply
    375,497.93x = 563,242.02 × 91,190.81
  4. Step 4: Simplify right side
    375,497.93x = 51,362,496,029.84
  5. Step 5: Solve for x
    x = 51,362,496,029.84/375,497.93
  6. Step 6: Final answer
    x = 136,785.03

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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.