Home / 272,965.44-376,688.40-152,111.80

Finding the Fourth Proportional to 272,965.44, 376,688.40 and 152,111.80

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Solution

The fourth proportional to 272,965.44, 376,688.40 and 152,111.80 is: 209,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,965.44 : 376,688.40 = 152,111.80 : x
  2. Step 2: Convert to fraction form
    272,965.44/376,688.40 = 152,111.80/x
  3. Step 3: Cross multiply
    272,965.44x = 376,688.40 × 152,111.80
  4. Step 4: Simplify right side
    272,965.44x = 57,298,750,563.12
  5. Step 5: Solve for x
    x = 57,298,750,563.12/272,965.44
  6. Step 6: Final answer
    x = 209,912.11

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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.