Home / 268,997.02-371,217.01-154,280.10

Finding the Fourth Proportional to 268,997.02, 371,217.01 and 154,280.10

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Solution

The fourth proportional to 268,997.02, 371,217.01 and 154,280.10 is: 212,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,997.02 : 371,217.01 = 154,280.10 : x
  2. Step 2: Convert to fraction form
    268,997.02/371,217.01 = 154,280.10/x
  3. Step 3: Cross multiply
    268,997.02x = 371,217.01 × 154,280.10
  4. Step 4: Simplify right side
    268,997.02x = 57,271,397,424.50
  5. Step 5: Solve for x
    x = 57,271,397,424.50/268,997.02
  6. Step 6: Final answer
    x = 212,907.18

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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.