Home / 385,826.04-532,434.18-213,743.64

Finding the Fourth Proportional to 385,826.04, 532,434.18 and 213,743.64

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Solution

The fourth proportional to 385,826.04, 532,434.18 and 213,743.64 is: 294,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,826.04 : 532,434.18 = 213,743.64 : x
  2. Step 2: Convert to fraction form
    385,826.04/532,434.18 = 213,743.64/x
  3. Step 3: Cross multiply
    385,826.04x = 532,434.18 × 213,743.64
  4. Step 4: Simplify right side
    385,826.04x = 113,804,422,491.78
  5. Step 5: Solve for x
    x = 113,804,422,491.78/385,826.04
  6. Step 6: Final answer
    x = 294,963.04

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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.