Home / 211,040.94-291,224.96-115,529.16

Finding the Fourth Proportional to 211,040.94, 291,224.96 and 115,529.16

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Solution

The fourth proportional to 211,040.94, 291,224.96 and 115,529.16 is: 159,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,040.94 : 291,224.96 = 115,529.16 : x
  2. Step 2: Convert to fraction form
    211,040.94/291,224.96 = 115,529.16/x
  3. Step 3: Cross multiply
    211,040.94x = 291,224.96 × 115,529.16
  4. Step 4: Simplify right side
    211,040.94x = 33,644,974,999.83
  5. Step 5: Solve for x
    x = 33,644,974,999.83/211,040.94
  6. Step 6: Final answer
    x = 159,423.93

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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.