Home / 283,730.51-391,548.65-154,670.04

Finding the Fourth Proportional to 283,730.51, 391,548.65 and 154,670.04

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Solution

The fourth proportional to 283,730.51, 391,548.65 and 154,670.04 is: 213,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,730.51 : 391,548.65 = 154,670.04 : x
  2. Step 2: Convert to fraction form
    283,730.51/391,548.65 = 154,670.04/x
  3. Step 3: Cross multiply
    283,730.51x = 391,548.65 × 154,670.04
  4. Step 4: Simplify right side
    283,730.51x = 60,560,844,584.10
  5. Step 5: Solve for x
    x = 60,560,844,584.10/283,730.51
  6. Step 6: Final answer
    x = 213,444.95

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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.