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Finding the Fourth Proportional to 453,409.52, 625,692.16 and 246,671.40

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Solution

The fourth proportional to 453,409.52, 625,692.16 and 246,671.40 is: 340,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,409.52 : 625,692.16 = 246,671.40 : x
  2. Step 2: Convert to fraction form
    453,409.52/625,692.16 = 246,671.40/x
  3. Step 3: Cross multiply
    453,409.52x = 625,692.16 × 246,671.40
  4. Step 4: Simplify right side
    453,409.52x = 154,340,361,076.22
  5. Step 5: Solve for x
    x = 154,340,361,076.22/453,409.52
  6. Step 6: Final answer
    x = 340,399.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.