Home / 306,882.15-423,480.69-169,034.25

Finding the Fourth Proportional to 306,882.15, 423,480.69 and 169,034.25

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Solution

The fourth proportional to 306,882.15, 423,480.69 and 169,034.25 is: 233,258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,882.15 : 423,480.69 = 169,034.25 : x
  2. Step 2: Convert to fraction form
    306,882.15/423,480.69 = 169,034.25/x
  3. Step 3: Cross multiply
    306,882.15x = 423,480.69 × 169,034.25
  4. Step 4: Simplify right side
    306,882.15x = 71,582,740,823.63
  5. Step 5: Solve for x
    x = 71,582,740,823.63/306,882.15
  6. Step 6: Final answer
    x = 233,258.08

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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.