Home / 320,930.42-442,890.89-175,742.33

Finding the Fourth Proportional to 320,930.42, 442,890.89 and 175,742.33

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Solution

The fourth proportional to 320,930.42, 442,890.89 and 175,742.33 is: 242,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,930.42 : 442,890.89 = 175,742.33 : x
  2. Step 2: Convert to fraction form
    320,930.42/442,890.89 = 175,742.33/x
  3. Step 3: Cross multiply
    320,930.42x = 442,890.89 × 175,742.33
  4. Step 4: Simplify right side
    320,930.42x = 77,834,676,944.37
  5. Step 5: Solve for x
    x = 77,834,676,944.37/320,930.42
  6. Step 6: Final answer
    x = 242,528.20

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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.