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Finding the Fourth Proportional to 500,034.94, 690,050.04 and 270,592.20

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Solution

The fourth proportional to 500,034.94, 690,050.04 and 270,592.20 is: 373,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,034.94 : 690,050.04 = 270,592.20 : x
  2. Step 2: Convert to fraction form
    500,034.94/690,050.04 = 270,592.20/x
  3. Step 3: Cross multiply
    500,034.94x = 690,050.04 × 270,592.20
  4. Step 4: Simplify right side
    500,034.94x = 186,722,158,433.69
  5. Step 5: Solve for x
    x = 186,722,158,433.69/500,034.94
  6. Step 6: Final answer
    x = 373,418.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.