Home / 403,258.20-604,304.10-178,434.60

Finding the Fourth Proportional to 403,258.20, 604,304.10 and 178,434.60

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Solution

The fourth proportional to 403,258.20, 604,304.10 and 178,434.60 is: 267,393.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,258.20 : 604,304.10 = 178,434.60 : x
  2. Step 2: Convert to fraction form
    403,258.20/604,304.10 = 178,434.60/x
  3. Step 3: Cross multiply
    403,258.20x = 604,304.10 × 178,434.60
  4. Step 4: Simplify right side
    403,258.20x = 107,828,760,361.86
  5. Step 5: Solve for x
    x = 107,828,760,361.86/403,258.20
  6. Step 6: Final answer
    x = 267,393.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.