Home / 380,719.55-525,393.60-208,610.17

Finding the Fourth Proportional to 380,719.55, 525,393.60 and 208,610.17

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Solution

The fourth proportional to 380,719.55, 525,393.60 and 208,610.17 is: 287,882.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,719.55 : 525,393.60 = 208,610.17 : x
  2. Step 2: Convert to fraction form
    380,719.55/525,393.60 = 208,610.17/x
  3. Step 3: Cross multiply
    380,719.55x = 525,393.60 × 208,610.17
  4. Step 4: Simplify right side
    380,719.55x = 109,602,446,899.43
  5. Step 5: Solve for x
    x = 109,602,446,899.43/380,719.55
  6. Step 6: Final answer
    x = 287,882.37

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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.