Home / 283,434.49-391,131.48-154,370.00

Finding the Fourth Proportional to 283,434.49, 391,131.48 and 154,370.00

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Solution

The fourth proportional to 283,434.49, 391,131.48 and 154,370.00 is: 213,026.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,434.49 : 391,131.48 = 154,370.00 : x
  2. Step 2: Convert to fraction form
    283,434.49/391,131.48 = 154,370.00/x
  3. Step 3: Cross multiply
    283,434.49x = 391,131.48 × 154,370.00
  4. Step 4: Simplify right side
    283,434.49x = 60,378,968,124.32
  5. Step 5: Solve for x
    x = 60,378,968,124.32/283,434.49
  6. Step 6: Final answer
    x = 213,026.18

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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.