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Finding the Fourth Proportional to 630,746, 946,257.28 and 236,762

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Solution

The fourth proportional to 630,746, 946,257.28 and 236,762 is: 355,194.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,746 : 946,257.28 = 236,762 : x
  2. Step 2: Convert to fraction form
    630,746/946,257.28 = 236,762/x
  3. Step 3: Cross multiply
    630,746x = 946,257.28 × 236,762
  4. Step 4: Simplify right side
    630,746x = 224,037,766,127.36
  5. Step 5: Solve for x
    x = 224,037,766,127.36/630,746
  6. Step 6: Final answer
    x = 355,194.91

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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.