Home / 321,088.14-442,982.67-207,973.26

Finding the Fourth Proportional to 321,088.14, 442,982.67 and 207,973.26

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Solution

The fourth proportional to 321,088.14, 442,982.67 and 207,973.26 is: 286,926.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,088.14 : 442,982.67 = 207,973.26 : x
  2. Step 2: Convert to fraction form
    321,088.14/442,982.67 = 207,973.26/x
  3. Step 3: Cross multiply
    321,088.14x = 442,982.67 × 207,973.26
  4. Step 4: Simplify right side
    321,088.14x = 92,128,550,003.40
  5. Step 5: Solve for x
    x = 92,128,550,003.40/321,088.14
  6. Step 6: Final answer
    x = 286,926.04

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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.