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Finding the Fourth Proportional to 240,003.80, 360,005.70 and 200,929.40

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Solution

The fourth proportional to 240,003.80, 360,005.70 and 200,929.40 is: 301,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,003.80 : 360,005.70 = 200,929.40 : x
  2. Step 2: Convert to fraction form
    240,003.80/360,005.70 = 200,929.40/x
  3. Step 3: Cross multiply
    240,003.80x = 360,005.70 × 200,929.40
  4. Step 4: Simplify right side
    240,003.80x = 72,335,729,297.58
  5. Step 5: Solve for x
    x = 72,335,729,297.58/240,003.80
  6. Step 6: Final answer
    x = 301,394.10

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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.