Home / 242,647.37-334,848.78-135,215.04

Finding the Fourth Proportional to 242,647.37, 334,848.78 and 135,215.04

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Solution

The fourth proportional to 242,647.37, 334,848.78 and 135,215.04 is: 186,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,647.37 : 334,848.78 = 135,215.04 : x
  2. Step 2: Convert to fraction form
    242,647.37/334,848.78 = 135,215.04/x
  3. Step 3: Cross multiply
    242,647.37x = 334,848.78 × 135,215.04
  4. Step 4: Simplify right side
    242,647.37x = 45,276,591,181.65
  5. Step 5: Solve for x
    x = 45,276,591,181.65/242,647.37
  6. Step 6: Final answer
    x = 186,594.20

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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.