Home / 302,265.60-453,423.78-91,905.36

Finding the Fourth Proportional to 302,265.60, 453,423.78 and 91,905.36

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Solution

The fourth proportional to 302,265.60, 453,423.78 and 91,905.36 is: 137,865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,265.60 : 453,423.78 = 91,905.36 : x
  2. Step 2: Convert to fraction form
    302,265.60/453,423.78 = 91,905.36/x
  3. Step 3: Cross multiply
    302,265.60x = 453,423.78 × 91,905.36
  4. Step 4: Simplify right side
    302,265.60x = 41,672,075,733.46
  5. Step 5: Solve for x
    x = 41,672,075,733.46/302,265.60
  6. Step 6: Final answer
    x = 137,865.76

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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.