Home / 340,222.08-469,499.61-212,967.84

Finding the Fourth Proportional to 340,222.08, 469,499.61 and 212,967.84

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Solution

The fourth proportional to 340,222.08, 469,499.61 and 212,967.84 is: 293,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,222.08 : 469,499.61 = 212,967.84 : x
  2. Step 2: Convert to fraction form
    340,222.08/469,499.61 = 212,967.84/x
  3. Step 3: Cross multiply
    340,222.08x = 469,499.61 × 212,967.84
  4. Step 4: Simplify right side
    340,222.08x = 99,988,317,822.54
  5. Step 5: Solve for x
    x = 99,988,317,822.54/340,222.08
  6. Step 6: Final answer
    x = 293,891.32

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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.