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Finding the Fourth Proportional to 500,308.80, 750,603.50 and 200,999.58

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Solution

The fourth proportional to 500,308.80, 750,603.50 and 200,999.58 is: 301,555.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,308.80 : 750,603.50 = 200,999.58 : x
  2. Step 2: Convert to fraction form
    500,308.80/750,603.50 = 200,999.58/x
  3. Step 3: Cross multiply
    500,308.80x = 750,603.50 × 200,999.58
  4. Step 4: Simplify right side
    500,308.80x = 150,870,988,246.53
  5. Step 5: Solve for x
    x = 150,870,988,246.53/500,308.80
  6. Step 6: Final answer
    x = 301,555.74

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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.