Home / 219,848.40-329,772.60-136,904.40

Finding the Fourth Proportional to 219,848.40, 329,772.60 and 136,904.40

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Solution

The fourth proportional to 219,848.40, 329,772.60 and 136,904.40 is: 205,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,848.40 : 329,772.60 = 136,904.40 : x
  2. Step 2: Convert to fraction form
    219,848.40/329,772.60 = 136,904.40/x
  3. Step 3: Cross multiply
    219,848.40x = 329,772.60 × 136,904.40
  4. Step 4: Simplify right side
    219,848.40x = 45,147,319,939.44
  5. Step 5: Solve for x
    x = 45,147,319,939.44/219,848.40
  6. Step 6: Final answer
    x = 205,356.60

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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.