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Finding the Fourth Proportional to 295,234.80, 442,852.20 and 190,172.40

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Solution

The fourth proportional to 295,234.80, 442,852.20 and 190,172.40 is: 285,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,234.80 : 442,852.20 = 190,172.40 : x
  2. Step 2: Convert to fraction form
    295,234.80/442,852.20 = 190,172.40/x
  3. Step 3: Cross multiply
    295,234.80x = 442,852.20 × 190,172.40
  4. Step 4: Simplify right side
    295,234.80x = 84,218,265,719.28
  5. Step 5: Solve for x
    x = 84,218,265,719.28/295,234.80
  6. Step 6: Final answer
    x = 285,258.60

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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.