Home / 309,616.20-463,979.61-132,075.54

Finding the Fourth Proportional to 309,616.20, 463,979.61 and 132,075.54

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Solution

The fourth proportional to 309,616.20, 463,979.61 and 132,075.54 is: 197,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,616.20 : 463,979.61 = 132,075.54 : x
  2. Step 2: Convert to fraction form
    309,616.20/463,979.61 = 132,075.54/x
  3. Step 3: Cross multiply
    309,616.20x = 463,979.61 × 132,075.54
  4. Step 4: Simplify right side
    309,616.20x = 61,280,357,539.74
  5. Step 5: Solve for x
    x = 61,280,357,539.74/309,616.20
  6. Step 6: Final answer
    x = 197,923.61

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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.