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Finding the Fourth Proportional to 461,534.82, 636,950.04 and 257,625.42

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Solution

The fourth proportional to 461,534.82, 636,950.04 and 257,625.42 is: 355,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,534.82 : 636,950.04 = 257,625.42 : x
  2. Step 2: Convert to fraction form
    461,534.82/636,950.04 = 257,625.42/x
  3. Step 3: Cross multiply
    461,534.82x = 636,950.04 × 257,625.42
  4. Step 4: Simplify right side
    461,534.82x = 164,094,521,574.02
  5. Step 5: Solve for x
    x = 164,094,521,574.02/461,534.82
  6. Step 6: Final answer
    x = 355,540.94

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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.