Home / 348,184.28-522,315.44-312,425.75

Finding the Fourth Proportional to 348,184.28, 522,315.44 and 312,425.75

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Solution

The fourth proportional to 348,184.28, 522,315.44 and 312,425.75 is: 468,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,184.28 : 522,315.44 = 312,425.75 : x
  2. Step 2: Convert to fraction form
    348,184.28/522,315.44 = 312,425.75/x
  3. Step 3: Cross multiply
    348,184.28x = 522,315.44 × 312,425.75
  4. Step 4: Simplify right side
    348,184.28x = 163,184,793,078.58
  5. Step 5: Solve for x
    x = 163,184,793,078.58/348,184.28
  6. Step 6: Final answer
    x = 468,673.64

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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.