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Finding the Fourth Proportional to 457,151.59, 630,850.51 and 253,190.35

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Solution

The fourth proportional to 457,151.59, 630,850.51 and 253,190.35 is: 349,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,151.59 : 630,850.51 = 253,190.35 : x
  2. Step 2: Convert to fraction form
    457,151.59/630,850.51 = 253,190.35/x
  3. Step 3: Cross multiply
    457,151.59x = 630,850.51 × 253,190.35
  4. Step 4: Simplify right side
    457,151.59x = 159,725,261,424.58
  5. Step 5: Solve for x
    x = 159,725,261,424.58/457,151.59
  6. Step 6: Final answer
    x = 349,392.33

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1.5x scale

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.