Home / 255,918.12-353,280.25-165,318.26

Finding the Fourth Proportional to 255,918.12, 353,280.25 and 165,318.26

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Solution

The fourth proportional to 255,918.12, 353,280.25 and 165,318.26 is: 228,212.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,918.12 : 353,280.25 = 165,318.26 : x
  2. Step 2: Convert to fraction form
    255,918.12/353,280.25 = 165,318.26/x
  3. Step 3: Cross multiply
    255,918.12x = 353,280.25 × 165,318.26
  4. Step 4: Simplify right side
    255,918.12x = 58,403,676,222.37
  5. Step 5: Solve for x
    x = 58,403,676,222.37/255,918.12
  6. Step 6: Final answer
    x = 228,212.35

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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.