Home / 306,083.41-422,374.70-170,108.51

Finding the Fourth Proportional to 306,083.41, 422,374.70 and 170,108.51

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Solution

The fourth proportional to 306,083.41, 422,374.70 and 170,108.51 is: 234,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,083.41 : 422,374.70 = 170,108.51 : x
  2. Step 2: Convert to fraction form
    306,083.41/422,374.70 = 170,108.51/x
  3. Step 3: Cross multiply
    306,083.41x = 422,374.70 × 170,108.51
  4. Step 4: Simplify right side
    306,083.41x = 71,849,529,192.09
  5. Step 5: Solve for x
    x = 71,849,529,192.09/306,083.41
  6. Step 6: Final answer
    x = 234,738.40

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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.