Home / 219,261.16-328,839.90-100,858.60

Finding the Fourth Proportional to 219,261.16, 328,839.90 and 100,858.60

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Solution

The fourth proportional to 219,261.16, 328,839.90 and 100,858.60 is: 151,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,261.16 : 328,839.90 = 100,858.60 : x
  2. Step 2: Convert to fraction form
    219,261.16/328,839.90 = 100,858.60/x
  3. Step 3: Cross multiply
    219,261.16x = 328,839.90 × 100,858.60
  4. Step 4: Simplify right side
    219,261.16x = 33,166,331,938.14
  5. Step 5: Solve for x
    x = 33,166,331,938.14/219,261.16
  6. Step 6: Final answer
    x = 151,264.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.