Home / 380,732.33-525,411.18-208,622.94

Finding the Fourth Proportional to 380,732.33, 525,411.18 and 208,622.94

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Solution

The fourth proportional to 380,732.33, 525,411.18 and 208,622.94 is: 287,899.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,732.33 : 525,411.18 = 208,622.94 : x
  2. Step 2: Convert to fraction form
    380,732.33/525,411.18 = 208,622.94/x
  3. Step 3: Cross multiply
    380,732.33x = 525,411.18 × 208,622.94
  4. Step 4: Simplify right side
    380,732.33x = 109,612,825,080.47
  5. Step 5: Solve for x
    x = 109,612,825,080.47/380,732.33
  6. Step 6: Final answer
    x = 287,899.97

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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.