Home / 207,228.22-310,829.64-121,886.27

Finding the Fourth Proportional to 207,228.22, 310,829.64 and 121,886.27

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Solution

The fourth proportional to 207,228.22, 310,829.64 and 121,886.27 is: 182,821.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,228.22 : 310,829.64 = 121,886.27 : x
  2. Step 2: Convert to fraction form
    207,228.22/310,829.64 = 121,886.27/x
  3. Step 3: Cross multiply
    207,228.22x = 310,829.64 × 121,886.27
  4. Step 4: Simplify right side
    207,228.22x = 37,885,864,259.43
  5. Step 5: Solve for x
    x = 37,885,864,259.43/207,228.22
  6. Step 6: Final answer
    x = 182,821.94

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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.