Home / 467,850.22-645,633.35-252,990.27

Finding the Fourth Proportional to 467,850.22, 645,633.35 and 252,990.27

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Solution

The fourth proportional to 467,850.22, 645,633.35 and 252,990.27 is: 349,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,850.22 : 645,633.35 = 252,990.27 : x
  2. Step 2: Convert to fraction form
    467,850.22/645,633.35 = 252,990.27/x
  3. Step 3: Cross multiply
    467,850.22x = 645,633.35 × 252,990.27
  4. Step 4: Simplify right side
    467,850.22x = 163,338,955,537.51
  5. Step 5: Solve for x
    x = 163,338,955,537.51/467,850.22
  6. Step 6: Final answer
    x = 349,126.60

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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.