Home / 380,847.18-525,569.54-211,081.44

Finding the Fourth Proportional to 380,847.18, 525,569.54 and 211,081.44

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Solution

The fourth proportional to 380,847.18, 525,569.54 and 211,081.44 is: 291,292.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,847.18 : 525,569.54 = 211,081.44 : x
  2. Step 2: Convert to fraction form
    380,847.18/525,569.54 = 211,081.44/x
  3. Step 3: Cross multiply
    380,847.18x = 525,569.54 × 211,081.44
  4. Step 4: Simplify right side
    380,847.18x = 110,937,974,267.93
  5. Step 5: Solve for x
    x = 110,937,974,267.93/380,847.18
  6. Step 6: Final answer
    x = 291,292.62

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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.