Home / 321,968.10-482,952.15-247,464.30

Finding the Fourth Proportional to 321,968.10, 482,952.15 and 247,464.30

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Solution

The fourth proportional to 321,968.10, 482,952.15 and 247,464.30 is: 371,196.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,968.10 : 482,952.15 = 247,464.30 : x
  2. Step 2: Convert to fraction form
    321,968.10/482,952.15 = 247,464.30/x
  3. Step 3: Cross multiply
    321,968.10x = 482,952.15 × 247,464.30
  4. Step 4: Simplify right side
    321,968.10x = 119,513,415,733.25
  5. Step 5: Solve for x
    x = 119,513,415,733.25/321,968.10
  6. Step 6: Final answer
    x = 371,196.45

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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.