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Finding the Fourth Proportional to 296,469.20, 444,703.80 and 265,365.20

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Solution

The fourth proportional to 296,469.20, 444,703.80 and 265,365.20 is: 398,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,469.20 : 444,703.80 = 265,365.20 : x
  2. Step 2: Convert to fraction form
    296,469.20/444,703.80 = 265,365.20/x
  3. Step 3: Cross multiply
    296,469.20x = 444,703.80 × 265,365.20
  4. Step 4: Simplify right side
    296,469.20x = 118,008,912,827.76
  5. Step 5: Solve for x
    x = 118,008,912,827.76/296,469.20
  6. Step 6: Final answer
    x = 398,047.80

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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.