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Finding the Fourth Proportional to 630,324.66, 945,495.18 and 209,600.52

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Solution

The fourth proportional to 630,324.66, 945,495.18 and 209,600.52 is: 314,403.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,324.66 : 945,495.18 = 209,600.52 : x
  2. Step 2: Convert to fraction form
    630,324.66/945,495.18 = 209,600.52/x
  3. Step 3: Cross multiply
    630,324.66x = 945,495.18 × 209,600.52
  4. Step 4: Simplify right side
    630,324.66x = 198,176,281,385.49
  5. Step 5: Solve for x
    x = 198,176,281,385.49/630,324.66
  6. Step 6: Final answer
    x = 314,403.50

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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.