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Finding the Fourth Proportional to 305,251.60, 457,002.60 and 296,503.60

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Solution

The fourth proportional to 305,251.60, 457,002.60 and 296,503.60 is: 443,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,251.60 : 457,002.60 = 296,503.60 : x
  2. Step 2: Convert to fraction form
    305,251.60/457,002.60 = 296,503.60/x
  3. Step 3: Cross multiply
    305,251.60x = 457,002.60 × 296,503.60
  4. Step 4: Simplify right side
    305,251.60x = 135,502,916,109.36
  5. Step 5: Solve for x
    x = 135,502,916,109.36/305,251.60
  6. Step 6: Final answer
    x = 443,905.67

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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.