Home / 268,796.10-370,869.93-155,551.62

Finding the Fourth Proportional to 268,796.10, 370,869.93 and 155,551.62

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Solution

The fourth proportional to 268,796.10, 370,869.93 and 155,551.62 is: 214,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,796.10 : 370,869.93 = 155,551.62 : x
  2. Step 2: Convert to fraction form
    268,796.10/370,869.93 = 155,551.62/x
  3. Step 3: Cross multiply
    268,796.10x = 370,869.93 × 155,551.62
  4. Step 4: Simplify right side
    268,796.10x = 57,689,418,420.79
  5. Step 5: Solve for x
    x = 57,689,418,420.79/268,796.10
  6. Step 6: Final answer
    x = 214,621.49

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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.