Home / 255,164.19-352,189.08-197,689.83

Finding the Fourth Proportional to 255,164.19, 352,189.08 and 197,689.83

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Solution

The fourth proportional to 255,164.19, 352,189.08 and 197,689.83 is: 272,860.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,164.19 : 352,189.08 = 197,689.83 : x
  2. Step 2: Convert to fraction form
    255,164.19/352,189.08 = 197,689.83/x
  3. Step 3: Cross multiply
    255,164.19x = 352,189.08 × 197,689.83
  4. Step 4: Simplify right side
    255,164.19x = 69,624,199,353.06
  5. Step 5: Solve for x
    x = 69,624,199,353.06/255,164.19
  6. Step 6: Final answer
    x = 272,860.39

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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.