Home / 326,111.60-488,511.30-219,823.40

Finding the Fourth Proportional to 326,111.60, 488,511.30 and 219,823.40

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Solution

The fourth proportional to 326,111.60, 488,511.30 and 219,823.40 is: 329,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,111.60 : 488,511.30 = 219,823.40 : x
  2. Step 2: Convert to fraction form
    326,111.60/488,511.30 = 219,823.40/x
  3. Step 3: Cross multiply
    326,111.60x = 488,511.30 × 219,823.40
  4. Step 4: Simplify right side
    326,111.60x = 107,386,214,904.42
  5. Step 5: Solve for x
    x = 107,386,214,904.42/326,111.60
  6. Step 6: Final answer
    x = 329,292.84

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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.