Home / 380,359.98-524,902.71-208,275.07

Finding the Fourth Proportional to 380,359.98, 524,902.71 and 208,275.07

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Solution

The fourth proportional to 380,359.98, 524,902.71 and 208,275.07 is: 287,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,359.98 : 524,902.71 = 208,275.07 : x
  2. Step 2: Convert to fraction form
    380,359.98/524,902.71 = 208,275.07/x
  3. Step 3: Cross multiply
    380,359.98x = 524,902.71 × 208,275.07
  4. Step 4: Simplify right side
    380,359.98x = 109,324,148,668.44
  5. Step 5: Solve for x
    x = 109,324,148,668.44/380,359.98
  6. Step 6: Final answer
    x = 287,422.85

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1.5x scale

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.