Home / 306,040.47-422,327.43-170,070.93

Finding the Fourth Proportional to 306,040.47, 422,327.43 and 170,070.93

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Solution

The fourth proportional to 306,040.47, 422,327.43 and 170,070.93 is: 234,693.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,040.47 : 422,327.43 = 170,070.93 : x
  2. Step 2: Convert to fraction form
    306,040.47/422,327.43 = 170,070.93/x
  3. Step 3: Cross multiply
    306,040.47x = 422,327.43 × 170,070.93
  4. Step 4: Simplify right side
    306,040.47x = 71,825,618,784.61
  5. Step 5: Solve for x
    x = 71,825,618,784.61/306,040.47
  6. Step 6: Final answer
    x = 234,693.21

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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.