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Finding the Fourth Proportional to 375,985.62, 563,969.93 and 91,677.65

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Solution

The fourth proportional to 375,985.62, 563,969.93 and 91,677.65 is: 137,514.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,985.62 : 563,969.93 = 91,677.65 : x
  2. Step 2: Convert to fraction form
    375,985.62/563,969.93 = 91,677.65/x
  3. Step 3: Cross multiply
    375,985.62x = 563,969.93 × 91,677.65
  4. Step 4: Simplify right side
    375,985.62x = 51,703,434,574.83
  5. Step 5: Solve for x
    x = 51,703,434,574.83/375,985.62
  6. Step 6: Final answer
    x = 137,514.39

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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.