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Finding the Fourth Proportional to 457,007.03, 630,662.00 and 253,053.57

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Solution

The fourth proportional to 457,007.03, 630,662.00 and 253,053.57 is: 349,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,007.03 : 630,662.00 = 253,053.57 : x
  2. Step 2: Convert to fraction form
    457,007.03/630,662.00 = 253,053.57/x
  3. Step 3: Cross multiply
    457,007.03x = 630,662.00 × 253,053.57
  4. Step 4: Simplify right side
    457,007.03x = 159,591,269,298.07
  5. Step 5: Solve for x
    x = 159,591,269,298.07/457,007.03
  6. Step 6: Final answer
    x = 349,209.66

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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.