Home / 243,059.16-335,333.04-151,172.40

Finding the Fourth Proportional to 243,059.16, 335,333.04 and 151,172.40

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Solution

The fourth proportional to 243,059.16, 335,333.04 and 151,172.40 is: 208,562.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,059.16 : 335,333.04 = 151,172.40 : x
  2. Step 2: Convert to fraction form
    243,059.16/335,333.04 = 151,172.40/x
  3. Step 3: Cross multiply
    243,059.16x = 335,333.04 × 151,172.40
  4. Step 4: Simplify right side
    243,059.16x = 50,693,100,456.10
  5. Step 5: Solve for x
    x = 50,693,100,456.10/243,059.16
  6. Step 6: Final answer
    x = 208,562.81

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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.