Home / 424,284.63-636,006.55-199,242.23

Finding the Fourth Proportional to 424,284.63, 636,006.55 and 199,242.23

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Solution

The fourth proportional to 424,284.63, 636,006.55 and 199,242.23 is: 298,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,284.63 : 636,006.55 = 199,242.23 : x
  2. Step 2: Convert to fraction form
    424,284.63/636,006.55 = 199,242.23/x
  3. Step 3: Cross multiply
    424,284.63x = 636,006.55 × 199,242.23
  4. Step 4: Simplify right side
    424,284.63x = 126,719,359,140.36
  5. Step 5: Solve for x
    x = 126,719,359,140.36/424,284.63
  6. Step 6: Final answer
    x = 298,665.92

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1.5x scale

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.