Home / 306,036.84-422,341.48-170,076.52

Finding the Fourth Proportional to 306,036.84, 422,341.48 and 170,076.52

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Solution

The fourth proportional to 306,036.84, 422,341.48 and 170,076.52 is: 234,711.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,036.84 : 422,341.48 = 170,076.52 : x
  2. Step 2: Convert to fraction form
    306,036.84/422,341.48 = 170,076.52/x
  3. Step 3: Cross multiply
    306,036.84x = 422,341.48 × 170,076.52
  4. Step 4: Simplify right side
    306,036.84x = 71,830,369,170.05
  5. Step 5: Solve for x
    x = 71,830,369,170.05/306,036.84
  6. Step 6: Final answer
    x = 234,711.51

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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.