Home / 380,688.93-571,105.49-153,002.22

Finding the Fourth Proportional to 380,688.93, 571,105.49 and 153,002.22

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Solution

The fourth proportional to 380,688.93, 571,105.49 and 153,002.22 is: 229,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,688.93 : 571,105.49 = 153,002.22 : x
  2. Step 2: Convert to fraction form
    380,688.93/571,105.49 = 153,002.22/x
  3. Step 3: Cross multiply
    380,688.93x = 571,105.49 × 153,002.22
  4. Step 4: Simplify right side
    380,688.93x = 87,380,404,917.53
  5. Step 5: Solve for x
    x = 87,380,404,917.53/380,688.93
  6. Step 6: Final answer
    x = 229,532.30

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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.