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Finding the Fourth Proportional to 235,458.40, 352,604.40 and 188,802.40

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Solution

The fourth proportional to 235,458.40, 352,604.40 and 188,802.40 is: 282,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,458.40 : 352,604.40 = 188,802.40 : x
  2. Step 2: Convert to fraction form
    235,458.40/352,604.40 = 188,802.40/x
  3. Step 3: Cross multiply
    235,458.40x = 352,604.40 × 188,802.40
  4. Step 4: Simplify right side
    235,458.40x = 66,572,556,970.56
  5. Step 5: Solve for x
    x = 66,572,556,970.56/235,458.40
  6. Step 6: Final answer
    x = 282,735.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.