Home / 291,276.76-401,962.86-163,954.36

Finding the Fourth Proportional to 291,276.76, 401,962.86 and 163,954.36

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Solution

The fourth proportional to 291,276.76, 401,962.86 and 163,954.36 is: 226,257.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,276.76 : 401,962.86 = 163,954.36 : x
  2. Step 2: Convert to fraction form
    291,276.76/401,962.86 = 163,954.36/x
  3. Step 3: Cross multiply
    291,276.76x = 401,962.86 × 163,954.36
  4. Step 4: Simplify right side
    291,276.76x = 65,903,563,455.07
  5. Step 5: Solve for x
    x = 65,903,563,455.07/291,276.76
  6. Step 6: Final answer
    x = 226,257.54

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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.