Home / 382,159.08-527,366.70-212,389.56

Finding the Fourth Proportional to 382,159.08, 527,366.70 and 212,389.56

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Solution

The fourth proportional to 382,159.08, 527,366.70 and 212,389.56 is: 293,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,159.08 : 527,366.70 = 212,389.56 : x
  2. Step 2: Convert to fraction form
    382,159.08/527,366.70 = 212,389.56/x
  3. Step 3: Cross multiply
    382,159.08x = 527,366.70 × 212,389.56
  4. Step 4: Simplify right side
    382,159.08x = 112,007,181,371.65
  5. Step 5: Solve for x
    x = 112,007,181,371.65/382,159.08
  6. Step 6: Final answer
    x = 293,090.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.