Home / 209,427.39-289,000.68-116,287.32

Finding the Fourth Proportional to 209,427.39, 289,000.68 and 116,287.32

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Solution

The fourth proportional to 209,427.39, 289,000.68 and 116,287.32 is: 160,471.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,427.39 : 289,000.68 = 116,287.32 : x
  2. Step 2: Convert to fraction form
    209,427.39/289,000.68 = 116,287.32/x
  3. Step 3: Cross multiply
    209,427.39x = 289,000.68 × 116,287.32
  4. Step 4: Simplify right side
    209,427.39x = 33,607,113,110.37
  5. Step 5: Solve for x
    x = 33,607,113,110.37/209,427.39
  6. Step 6: Final answer
    x = 160,471.44

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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.