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Finding the Fourth Proportional to 461,189.98, 636,444.51 and 254,465.51

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Solution

The fourth proportional to 461,189.98, 636,444.51 and 254,465.51 is: 351,163.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,189.98 : 636,444.51 = 254,465.51 : x
  2. Step 2: Convert to fraction form
    461,189.98/636,444.51 = 254,465.51/x
  3. Step 3: Cross multiply
    461,189.98x = 636,444.51 × 254,465.51
  4. Step 4: Simplify right side
    461,189.98x = 161,953,175,685.39
  5. Step 5: Solve for x
    x = 161,953,175,685.39/461,189.98
  6. Step 6: Final answer
    x = 351,163.69

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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.