Home / 308,836.06-463,257.93-84,207.58

Finding the Fourth Proportional to 308,836.06, 463,257.93 and 84,207.58

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Solution

The fourth proportional to 308,836.06, 463,257.93 and 84,207.58 is: 126,312.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,836.06 : 463,257.93 = 84,207.58 : x
  2. Step 2: Convert to fraction form
    308,836.06/463,257.93 = 84,207.58/x
  3. Step 3: Cross multiply
    308,836.06x = 463,257.93 × 84,207.58
  4. Step 4: Simplify right side
    308,836.06x = 39,009,829,201.11
  5. Step 5: Solve for x
    x = 39,009,829,201.11/308,836.06
  6. Step 6: Final answer
    x = 126,312.42

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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.