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Finding the Fourth Proportional to 305,035.76, 457,497.44 and 127,495.12

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Solution

The fourth proportional to 305,035.76, 457,497.44 and 127,495.12 is: 191,219.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,035.76 : 457,497.44 = 127,495.12 : x
  2. Step 2: Convert to fraction form
    305,035.76/457,497.44 = 127,495.12/x
  3. Step 3: Cross multiply
    305,035.76x = 457,497.44 × 127,495.12
  4. Step 4: Simplify right side
    305,035.76x = 58,328,691,012.49
  5. Step 5: Solve for x
    x = 58,328,691,012.49/305,035.76
  6. Step 6: Final answer
    x = 191,219.19

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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.