Home / 384,827.88-531,095.20-223,672.64

Finding the Fourth Proportional to 384,827.88, 531,095.20 and 223,672.64

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Solution

The fourth proportional to 384,827.88, 531,095.20 and 223,672.64 is: 308,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,827.88 : 531,095.20 = 223,672.64 : x
  2. Step 2: Convert to fraction form
    384,827.88/531,095.20 = 223,672.64/x
  3. Step 3: Cross multiply
    384,827.88x = 531,095.20 × 223,672.64
  4. Step 4: Simplify right side
    384,827.88x = 118,791,465,475.33
  5. Step 5: Solve for x
    x = 118,791,465,475.33/384,827.88
  6. Step 6: Final answer
    x = 308,687.26

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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.