Home / 306,001.72-422,281.56-170,035.12

Finding the Fourth Proportional to 306,001.72, 422,281.56 and 170,035.12

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Solution

The fourth proportional to 306,001.72, 422,281.56 and 170,035.12 is: 234,648.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,001.72 : 422,281.56 = 170,035.12 : x
  2. Step 2: Convert to fraction form
    306,001.72/422,281.56 = 170,035.12/x
  3. Step 3: Cross multiply
    306,001.72x = 422,281.56 × 170,035.12
  4. Step 4: Simplify right side
    306,001.72x = 71,802,695,728.39
  5. Step 5: Solve for x
    x = 71,802,695,728.39/306,001.72
  6. Step 6: Final answer
    x = 234,648.01

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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.