Home / 343,786.36-474,428.82-190,827.40

Finding the Fourth Proportional to 343,786.36, 474,428.82 and 190,827.40

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Solution

The fourth proportional to 343,786.36, 474,428.82 and 190,827.40 is: 263,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,786.36 : 474,428.82 = 190,827.40 : x
  2. Step 2: Convert to fraction form
    343,786.36/474,428.82 = 190,827.40/x
  3. Step 3: Cross multiply
    343,786.36x = 474,428.82 × 190,827.40
  4. Step 4: Simplify right side
    343,786.36x = 90,534,018,205.67
  5. Step 5: Solve for x
    x = 90,534,018,205.67/343,786.36
  6. Step 6: Final answer
    x = 263,343.83

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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.