Home / 211,281.48-291,569.36-114,485.54

Finding the Fourth Proportional to 211,281.48, 291,569.36 and 114,485.54

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Solution

The fourth proportional to 211,281.48, 291,569.36 and 114,485.54 is: 157,990.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,281.48 : 291,569.36 = 114,485.54 : x
  2. Step 2: Convert to fraction form
    211,281.48/291,569.36 = 114,485.54/x
  3. Step 3: Cross multiply
    211,281.48x = 291,569.36 × 114,485.54
  4. Step 4: Simplify right side
    211,281.48x = 33,380,473,596.78
  5. Step 5: Solve for x
    x = 33,380,473,596.78/211,281.48
  6. Step 6: Final answer
    x = 157,990.53

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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.