Home / 307,225.64-423,973.04-171,258.49

Finding the Fourth Proportional to 307,225.64, 423,973.04 and 171,258.49

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Solution

The fourth proportional to 307,225.64, 423,973.04 and 171,258.49 is: 236,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,225.64 : 423,973.04 = 171,258.49 : x
  2. Step 2: Convert to fraction form
    307,225.64/423,973.04 = 171,258.49/x
  3. Step 3: Cross multiply
    307,225.64x = 423,973.04 × 171,258.49
  4. Step 4: Simplify right side
    307,225.64x = 72,608,982,304.78
  5. Step 5: Solve for x
    x = 72,608,982,304.78/307,225.64
  6. Step 6: Final answer
    x = 236,337.64

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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.