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Finding the Fourth Proportional to 456,801.86, 630,370.38 and 252,853.16

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Solution

The fourth proportional to 456,801.86, 630,370.38 and 252,853.16 is: 348,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,801.86 : 630,370.38 = 252,853.16 : x
  2. Step 2: Convert to fraction form
    456,801.86/630,370.38 = 252,853.16/x
  3. Step 3: Cross multiply
    456,801.86x = 630,370.38 × 252,853.16
  4. Step 4: Simplify right side
    456,801.86x = 159,391,142,553.40
  5. Step 5: Solve for x
    x = 159,391,142,553.40/456,801.86
  6. Step 6: Final answer
    x = 348,928.40

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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.