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Finding the Fourth Proportional to 348,022.60, 522,033.90 and 235,756.60

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Solution

The fourth proportional to 348,022.60, 522,033.90 and 235,756.60 is: 353,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,022.60 : 522,033.90 = 235,756.60 : x
  2. Step 2: Convert to fraction form
    348,022.60/522,033.90 = 235,756.60/x
  3. Step 3: Cross multiply
    348,022.60x = 522,033.90 × 235,756.60
  4. Step 4: Simplify right side
    348,022.60x = 123,072,937,348.74
  5. Step 5: Solve for x
    x = 123,072,937,348.74/348,022.60
  6. Step 6: Final answer
    x = 353,634.90

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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.