Home / 306,011.32-422,287.16-170,041.75

Finding the Fourth Proportional to 306,011.32, 422,287.16 and 170,041.75

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Solution

The fourth proportional to 306,011.32, 422,287.16 and 170,041.75 is: 234,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,011.32 : 422,287.16 = 170,041.75 : x
  2. Step 2: Convert to fraction form
    306,011.32/422,287.16 = 170,041.75/x
  3. Step 3: Cross multiply
    306,011.32x = 422,287.16 × 170,041.75
  4. Step 4: Simplify right side
    306,011.32x = 71,806,445,577.49
  5. Step 5: Solve for x
    x = 71,806,445,577.49/306,011.32
  6. Step 6: Final answer
    x = 234,652.91

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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.