Home / 307,258.38-423,982.35-171,282.06

Finding the Fourth Proportional to 307,258.38, 423,982.35 and 171,282.06

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Solution

The fourth proportional to 307,258.38, 423,982.35 and 171,282.06 is: 236,350.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,258.38 : 423,982.35 = 171,282.06 : x
  2. Step 2: Convert to fraction form
    307,258.38/423,982.35 = 171,282.06/x
  3. Step 3: Cross multiply
    307,258.38x = 423,982.35 × 171,282.06
  4. Step 4: Simplify right side
    307,258.38x = 72,620,570,311.64
  5. Step 5: Solve for x
    x = 72,620,570,311.64/307,258.38
  6. Step 6: Final answer
    x = 236,350.17

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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.