Home / 380,864.72-525,585.48-211,097.36

Finding the Fourth Proportional to 380,864.72, 525,585.48 and 211,097.36

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Solution

The fourth proportional to 380,864.72, 525,585.48 and 211,097.36 is: 291,310.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,864.72 : 525,585.48 = 211,097.36 : x
  2. Step 2: Convert to fraction form
    380,864.72/525,585.48 = 211,097.36/x
  3. Step 3: Cross multiply
    380,864.72x = 525,585.48 × 211,097.36
  4. Step 4: Simplify right side
    380,864.72x = 110,949,707,282.33
  5. Step 5: Solve for x
    x = 110,949,707,282.33/380,864.72
  6. Step 6: Final answer
    x = 291,310.01

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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.