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Finding the Fourth Proportional to 240,615.60, 360,923.40 and 219,620.40

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Solution

The fourth proportional to 240,615.60, 360,923.40 and 219,620.40 is: 329,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,615.60 : 360,923.40 = 219,620.40 : x
  2. Step 2: Convert to fraction form
    240,615.60/360,923.40 = 219,620.40/x
  3. Step 3: Cross multiply
    240,615.60x = 360,923.40 × 219,620.40
  4. Step 4: Simplify right side
    240,615.60x = 79,266,141,477.36
  5. Step 5: Solve for x
    x = 79,266,141,477.36/240,615.60
  6. Step 6: Final answer
    x = 329,430.60

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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.