Home / 380,810.49-571,201.85-153,176.59

Finding the Fourth Proportional to 380,810.49, 571,201.85 and 153,176.59

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Solution

The fourth proportional to 380,810.49, 571,201.85 and 153,176.59 is: 229,759.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,810.49 : 571,201.85 = 153,176.59 : x
  2. Step 2: Convert to fraction form
    380,810.49/571,201.85 = 153,176.59/x
  3. Step 3: Cross multiply
    380,810.49x = 571,201.85 × 153,176.59
  4. Step 4: Simplify right side
    380,810.49x = 87,494,752,681.64
  5. Step 5: Solve for x
    x = 87,494,752,681.64/380,810.49
  6. Step 6: Final answer
    x = 229,759.31

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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.