Home / 385,826.58-532,439.64-213,744.87

Finding the Fourth Proportional to 385,826.58, 532,439.64 and 213,744.87

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Solution

The fourth proportional to 385,826.58, 532,439.64 and 213,744.87 is: 294,967.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,826.58 : 532,439.64 = 213,744.87 : x
  2. Step 2: Convert to fraction form
    385,826.58/532,439.64 = 213,744.87/x
  3. Step 3: Cross multiply
    385,826.58x = 532,439.64 × 213,744.87
  4. Step 4: Simplify right side
    385,826.58x = 113,806,241,634.65
  5. Step 5: Solve for x
    x = 113,806,241,634.65/385,826.58
  6. Step 6: Final answer
    x = 294,967.34

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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.