Home / 380,516.25-525,105.99-210,746.73

Finding the Fourth Proportional to 380,516.25, 525,105.99 and 210,746.73

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Solution

The fourth proportional to 380,516.25, 525,105.99 and 210,746.73 is: 290,826.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,516.25 : 525,105.99 = 210,746.73 : x
  2. Step 2: Convert to fraction form
    380,516.25/525,105.99 = 210,746.73/x
  3. Step 3: Cross multiply
    380,516.25x = 525,105.99 × 210,746.73
  4. Step 4: Simplify right side
    380,516.25x = 110,664,370,295.91
  5. Step 5: Solve for x
    x = 110,664,370,295.91/380,516.25
  6. Step 6: Final answer
    x = 290,826.92

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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.