Home / 276,895.02-382,115.31-149,570.67

Finding the Fourth Proportional to 276,895.02, 382,115.31 and 149,570.67

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Solution

The fourth proportional to 276,895.02, 382,115.31 and 149,570.67 is: 206,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,895.02 : 382,115.31 = 149,570.67 : x
  2. Step 2: Convert to fraction form
    276,895.02/382,115.31 = 149,570.67/x
  3. Step 3: Cross multiply
    276,895.02x = 382,115.31 × 149,570.67
  4. Step 4: Simplify right side
    276,895.02x = 57,153,242,933.96
  5. Step 5: Solve for x
    x = 57,153,242,933.96/276,895.02
  6. Step 6: Final answer
    x = 206,407.62

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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.