Home / 334,913.20-462,159.16-308,163.76

Finding the Fourth Proportional to 334,913.20, 462,159.16 and 308,163.76

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Solution

The fourth proportional to 334,913.20, 462,159.16 and 308,163.76 is: 425,246.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,913.20 : 462,159.16 = 308,163.76 : x
  2. Step 2: Convert to fraction form
    334,913.20/462,159.16 = 308,163.76/x
  3. Step 3: Cross multiply
    334,913.20x = 462,159.16 × 308,163.76
  4. Step 4: Simplify right side
    334,913.20x = 142,420,704,464.04
  5. Step 5: Solve for x
    x = 142,420,704,464.04/334,913.20
  6. Step 6: Final answer
    x = 425,246.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.