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Finding the Fourth Proportional to 240,622.40, 360,933.60 and 165,972.80

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Solution

The fourth proportional to 240,622.40, 360,933.60 and 165,972.80 is: 248,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,622.40 : 360,933.60 = 165,972.80 : x
  2. Step 2: Convert to fraction form
    240,622.40/360,933.60 = 165,972.80/x
  3. Step 3: Cross multiply
    240,622.40x = 360,933.60 × 165,972.80
  4. Step 4: Simplify right side
    240,622.40x = 59,905,160,206.08
  5. Step 5: Solve for x
    x = 59,905,160,206.08/240,622.40
  6. Step 6: Final answer
    x = 248,959.20

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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.