Home / 301,511.28-452,332.53-91,143.75

Finding the Fourth Proportional to 301,511.28, 452,332.53 and 91,143.75

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Solution

The fourth proportional to 301,511.28, 452,332.53 and 91,143.75 is: 136,735.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,511.28 : 452,332.53 = 91,143.75 : x
  2. Step 2: Convert to fraction form
    301,511.28/452,332.53 = 91,143.75/x
  3. Step 3: Cross multiply
    301,511.28x = 452,332.53 × 91,143.75
  4. Step 4: Simplify right side
    301,511.28x = 41,227,283,031.19
  5. Step 5: Solve for x
    x = 41,227,283,031.19/301,511.28
  6. Step 6: Final answer
    x = 136,735.46

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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.