Home / 348,042.20-522,063.30-208,074.20

Finding the Fourth Proportional to 348,042.20, 522,063.30 and 208,074.20

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Solution

The fourth proportional to 348,042.20, 522,063.30 and 208,074.20 is: 312,111.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,042.20 : 522,063.30 = 208,074.20 : x
  2. Step 2: Convert to fraction form
    348,042.20/522,063.30 = 208,074.20/x
  3. Step 3: Cross multiply
    348,042.20x = 522,063.30 × 208,074.20
  4. Step 4: Simplify right side
    348,042.20x = 108,627,903,496.86
  5. Step 5: Solve for x
    x = 108,627,903,496.86/348,042.20
  6. Step 6: Final answer
    x = 312,111.30

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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.