Home / 216,487.31-298,558.37-180,308.87

Finding the Fourth Proportional to 216,487.31, 298,558.37 and 180,308.87

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Solution

The fourth proportional to 216,487.31, 298,558.37 and 180,308.87 is: 248,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,487.31 : 298,558.37 = 180,308.87 : x
  2. Step 2: Convert to fraction form
    216,487.31/298,558.37 = 180,308.87/x
  3. Step 3: Cross multiply
    216,487.31x = 298,558.37 × 180,308.87
  4. Step 4: Simplify right side
    216,487.31x = 53,832,719,929.41
  5. Step 5: Solve for x
    x = 53,832,719,929.41/216,487.31
  6. Step 6: Final answer
    x = 248,664.56

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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.