Home / 302,001.75-453,005.36-91,639.69

Finding the Fourth Proportional to 302,001.75, 453,005.36 and 91,639.69

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Solution

The fourth proportional to 302,001.75, 453,005.36 and 91,639.69 is: 137,460.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,001.75 : 453,005.36 = 91,639.69 : x
  2. Step 2: Convert to fraction form
    302,001.75/453,005.36 = 91,639.69/x
  3. Step 3: Cross multiply
    302,001.75x = 453,005.36 × 91,639.69
  4. Step 4: Simplify right side
    302,001.75x = 41,513,269,511.68
  5. Step 5: Solve for x
    x = 41,513,269,511.68/302,001.75
  6. Step 6: Final answer
    x = 137,460.36

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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.