Home / 465,258.12-642,076.02-264,072.84

Finding the Fourth Proportional to 465,258.12, 642,076.02 and 264,072.84

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Solution

The fourth proportional to 465,258.12, 642,076.02 and 264,072.84 is: 364,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,258.12 : 642,076.02 = 264,072.84 : x
  2. Step 2: Convert to fraction form
    465,258.12/642,076.02 = 264,072.84/x
  3. Step 3: Cross multiply
    465,258.12x = 642,076.02 × 264,072.84
  4. Step 4: Simplify right side
    465,258.12x = 169,554,838,097.30
  5. Step 5: Solve for x
    x = 169,554,838,097.30/465,258.12
  6. Step 6: Final answer
    x = 364,431.77

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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.