Home / 272,621.23-409,015.24-139,595.60

Finding the Fourth Proportional to 272,621.23, 409,015.24 and 139,595.60

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Solution

The fourth proportional to 272,621.23, 409,015.24 and 139,595.60 is: 209,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,621.23 : 409,015.24 = 139,595.60 : x
  2. Step 2: Convert to fraction form
    272,621.23/409,015.24 = 139,595.60/x
  3. Step 3: Cross multiply
    272,621.23x = 409,015.24 × 139,595.60
  4. Step 4: Simplify right side
    272,621.23x = 57,096,728,510.49
  5. Step 5: Solve for x
    x = 57,096,728,510.49/272,621.23
  6. Step 6: Final answer
    x = 209,436.11

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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.