Home / 380,713.33-571,142.09-153,026.70

Finding the Fourth Proportional to 380,713.33, 571,142.09 and 153,026.70

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Solution

The fourth proportional to 380,713.33, 571,142.09 and 153,026.70 is: 229,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,713.33 : 571,142.09 = 153,026.70 : x
  2. Step 2: Convert to fraction form
    380,713.33/571,142.09 = 153,026.70/x
  3. Step 3: Cross multiply
    380,713.33x = 571,142.09 × 153,026.70
  4. Step 4: Simplify right side
    380,713.33x = 87,399,989,263.80
  5. Step 5: Solve for x
    x = 87,399,989,263.80/380,713.33
  6. Step 6: Final answer
    x = 229,569.03

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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.