Home / 348,063.28-522,328.22-223,491.76

Finding the Fourth Proportional to 348,063.28, 522,328.22 and 223,491.76

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Solution

The fourth proportional to 348,063.28, 522,328.22 and 223,491.76 is: 335,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,063.28 : 522,328.22 = 223,491.76 : x
  2. Step 2: Convert to fraction form
    348,063.28/522,328.22 = 223,491.76/x
  3. Step 3: Cross multiply
    348,063.28x = 522,328.22 × 223,491.76
  4. Step 4: Simplify right side
    348,063.28x = 116,736,053,185.47
  5. Step 5: Solve for x
    x = 116,736,053,185.47/348,063.28
  6. Step 6: Final answer
    x = 335,387.44

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1.5x scale

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.