Home / 223,290.29-308,122.72-127,775.09

Finding the Fourth Proportional to 223,290.29, 308,122.72 and 127,775.09

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Solution

The fourth proportional to 223,290.29, 308,122.72 and 127,775.09 is: 176,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,290.29 : 308,122.72 = 127,775.09 : x
  2. Step 2: Convert to fraction form
    223,290.29/308,122.72 = 127,775.09/x
  3. Step 3: Cross multiply
    223,290.29x = 308,122.72 × 127,775.09
  4. Step 4: Simplify right side
    223,290.29x = 39,370,408,279.04
  5. Step 5: Solve for x
    x = 39,370,408,279.04/223,290.29
  6. Step 6: Final answer
    x = 176,319.39

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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.