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Finding the Fourth Proportional to 348,305.54, 522,458.76 and 95,589.48

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Solution

The fourth proportional to 348,305.54, 522,458.76 and 95,589.48 is: 143,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,305.54 : 522,458.76 = 95,589.48 : x
  2. Step 2: Convert to fraction form
    348,305.54/522,458.76 = 95,589.48/x
  3. Step 3: Cross multiply
    348,305.54x = 522,458.76 × 95,589.48
  4. Step 4: Simplify right side
    348,305.54x = 49,941,562,969.83
  5. Step 5: Solve for x
    x = 49,941,562,969.83/348,305.54
  6. Step 6: Final answer
    x = 143,384.35

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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.