Home / 205,848.40-308,772.60-159,192.40

Finding the Fourth Proportional to 205,848.40, 308,772.60 and 159,192.40

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Solution

The fourth proportional to 205,848.40, 308,772.60 and 159,192.40 is: 238,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,848.40 : 308,772.60 = 159,192.40 : x
  2. Step 2: Convert to fraction form
    205,848.40/308,772.60 = 159,192.40/x
  3. Step 3: Cross multiply
    205,848.40x = 308,772.60 × 159,192.40
  4. Step 4: Simplify right side
    205,848.40x = 49,154,251,248.24
  5. Step 5: Solve for x
    x = 49,154,251,248.24/205,848.40
  6. Step 6: Final answer
    x = 238,788.60

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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.