Home / 268,426.66-402,705.74-133,554.38

Finding the Fourth Proportional to 268,426.66, 402,705.74 and 133,554.38

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Solution

The fourth proportional to 268,426.66, 402,705.74 and 133,554.38 is: 200,364.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,426.66 : 402,705.74 = 133,554.38 : x
  2. Step 2: Convert to fraction form
    268,426.66/402,705.74 = 133,554.38/x
  3. Step 3: Cross multiply
    268,426.66x = 402,705.74 × 133,554.38
  4. Step 4: Simplify right side
    268,426.66x = 53,783,115,428.14
  5. Step 5: Solve for x
    x = 53,783,115,428.14/268,426.66
  6. Step 6: Final answer
    x = 200,364.28

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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.