Home / 243,918.34-336,598.84-135,027.41

Finding the Fourth Proportional to 243,918.34, 336,598.84 and 135,027.41

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Solution

The fourth proportional to 243,918.34, 336,598.84 and 135,027.41 is: 186,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,918.34 : 336,598.84 = 135,027.41 : x
  2. Step 2: Convert to fraction form
    243,918.34/336,598.84 = 135,027.41/x
  3. Step 3: Cross multiply
    243,918.34x = 336,598.84 × 135,027.41
  4. Step 4: Simplify right side
    243,918.34x = 45,450,068,059.99
  5. Step 5: Solve for x
    x = 45,450,068,059.99/243,918.34
  6. Step 6: Final answer
    x = 186,333.13

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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.