Home / 326,152.08-488,981.39-213,860.57

Finding the Fourth Proportional to 326,152.08, 488,981.39 and 213,860.57

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Solution

The fourth proportional to 326,152.08, 488,981.39 and 213,860.57 is: 320,629.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,152.08 : 488,981.39 = 213,860.57 : x
  2. Step 2: Convert to fraction form
    326,152.08/488,981.39 = 213,860.57/x
  3. Step 3: Cross multiply
    326,152.08x = 488,981.39 × 213,860.57
  4. Step 4: Simplify right side
    326,152.08x = 104,573,835,270.58
  5. Step 5: Solve for x
    x = 104,573,835,270.58/326,152.08
  6. Step 6: Final answer
    x = 320,629.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.