Home / 251,823.64-347,078.52-219,355.81

Finding the Fourth Proportional to 251,823.64, 347,078.52 and 219,355.81

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Solution

The fourth proportional to 251,823.64, 347,078.52 and 219,355.81 is: 302,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,823.64 : 347,078.52 = 219,355.81 : x
  2. Step 2: Convert to fraction form
    251,823.64/347,078.52 = 219,355.81/x
  3. Step 3: Cross multiply
    251,823.64x = 347,078.52 × 219,355.81
  4. Step 4: Simplify right side
    251,823.64x = 76,133,689,888.20
  5. Step 5: Solve for x
    x = 76,133,689,888.20/251,823.64
  6. Step 6: Final answer
    x = 302,329.40

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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.