Home / 386,020.87-532,730.04-213,935.25

Finding the Fourth Proportional to 386,020.87, 532,730.04 and 213,935.25

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Solution

The fourth proportional to 386,020.87, 532,730.04 and 213,935.25 is: 295,242.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,020.87 : 532,730.04 = 213,935.25 : x
  2. Step 2: Convert to fraction form
    386,020.87/532,730.04 = 213,935.25/x
  3. Step 3: Cross multiply
    386,020.87x = 532,730.04 × 213,935.25
  4. Step 4: Simplify right side
    386,020.87x = 113,969,734,289.91
  5. Step 5: Solve for x
    x = 113,969,734,289.91/386,020.87
  6. Step 6: Final answer
    x = 295,242.42

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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.