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Finding the Fourth Proportional to 453,904.69, 680,946.64 and 134,062.02

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Solution

The fourth proportional to 453,904.69, 680,946.64 and 134,062.02 is: 201,119.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,904.69 : 680,946.64 = 134,062.02 : x
  2. Step 2: Convert to fraction form
    453,904.69/680,946.64 = 134,062.02/x
  3. Step 3: Cross multiply
    453,904.69x = 680,946.64 × 134,062.02
  4. Step 4: Simplify right side
    453,904.69x = 91,289,078,665.88
  5. Step 5: Solve for x
    x = 91,289,078,665.88/453,904.69
  6. Step 6: Final answer
    x = 201,119.49

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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.