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Finding the Fourth Proportional to 296,750.40, 445,125.60 and 261,729.60

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Solution

The fourth proportional to 296,750.40, 445,125.60 and 261,729.60 is: 392,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,750.40 : 445,125.60 = 261,729.60 : x
  2. Step 2: Convert to fraction form
    296,750.40/445,125.60 = 261,729.60/x
  3. Step 3: Cross multiply
    296,750.40x = 445,125.60 × 261,729.60
  4. Step 4: Simplify right side
    296,750.40x = 116,502,545,237.76
  5. Step 5: Solve for x
    x = 116,502,545,237.76/296,750.40
  6. Step 6: Final answer
    x = 392,594.40

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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.