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Finding the Fourth Proportional to 375,637.31, 563,640.95 and 175,923.21

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Solution

The fourth proportional to 375,637.31, 563,640.95 and 175,923.21 is: 263,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,637.31 : 563,640.95 = 175,923.21 : x
  2. Step 2: Convert to fraction form
    375,637.31/563,640.95 = 175,923.21/x
  3. Step 3: Cross multiply
    375,637.31x = 563,640.95 × 175,923.21
  4. Step 4: Simplify right side
    375,637.31x = 99,157,525,651.26
  5. Step 5: Solve for x
    x = 99,157,525,651.26/375,637.31
  6. Step 6: Final answer
    x = 263,971.45

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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.