Home / 495,121.21-742,562.34-228,625.54

Finding the Fourth Proportional to 495,121.21, 742,562.34 and 228,625.54

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Solution

The fourth proportional to 495,121.21, 742,562.34 and 228,625.54 is: 342,883.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,121.21 : 742,562.34 = 228,625.54 : x
  2. Step 2: Convert to fraction form
    495,121.21/742,562.34 = 228,625.54/x
  3. Step 3: Cross multiply
    495,121.21x = 742,562.34 × 228,625.54
  4. Step 4: Simplify right side
    495,121.21x = 169,768,715,966.16
  5. Step 5: Solve for x
    x = 169,768,715,966.16/495,121.21
  6. Step 6: Final answer
    x = 342,883.14

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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.