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Finding the Fourth Proportional to 500,320.38, 750,620.88 and 201,011.16

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Solution

The fourth proportional to 500,320.38, 750,620.88 and 201,011.16 is: 301,573.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,320.38 : 750,620.88 = 201,011.16 : x
  2. Step 2: Convert to fraction form
    500,320.38/750,620.88 = 201,011.16/x
  3. Step 3: Cross multiply
    500,320.38x = 750,620.88 × 201,011.16
  4. Step 4: Simplify right side
    500,320.38x = 150,883,173,809.02
  5. Step 5: Solve for x
    x = 150,883,173,809.02/500,320.38
  6. Step 6: Final answer
    x = 301,573.11

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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.