Home / 279,476.75-385,678.83-152,153.26

Finding the Fourth Proportional to 279,476.75, 385,678.83 and 152,153.26

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Solution

The fourth proportional to 279,476.75, 385,678.83 and 152,153.26 is: 209,972.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,476.75 : 385,678.83 = 152,153.26 : x
  2. Step 2: Convert to fraction form
    279,476.75/385,678.83 = 152,153.26/x
  3. Step 3: Cross multiply
    279,476.75x = 385,678.83 × 152,153.26
  4. Step 4: Simplify right side
    279,476.75x = 58,682,291,297.49
  5. Step 5: Solve for x
    x = 58,682,291,297.49/279,476.75
  6. Step 6: Final answer
    x = 209,972.00

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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.