Home / 495,010.22-742,396.40-228,514.70

Finding the Fourth Proportional to 495,010.22, 742,396.40 and 228,514.70

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Solution

The fourth proportional to 495,010.22, 742,396.40 and 228,514.70 is: 342,717.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,010.22 : 742,396.40 = 228,514.70 : x
  2. Step 2: Convert to fraction form
    495,010.22/742,396.40 = 228,514.70/x
  3. Step 3: Cross multiply
    495,010.22x = 742,396.40 × 228,514.70
  4. Step 4: Simplify right side
    495,010.22x = 169,648,485,772.53
  5. Step 5: Solve for x
    x = 169,648,485,772.53/495,010.22
  6. Step 6: Final answer
    x = 342,717.14

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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.