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Finding the Fourth Proportional to 362,592.57, 500,348.42 and 209,640.58

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Solution

The fourth proportional to 362,592.57, 500,348.42 and 209,640.58 is: 289,287.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,592.57 : 500,348.42 = 209,640.58 : x
  2. Step 2: Convert to fraction form
    362,592.57/500,348.42 = 209,640.58/x
  3. Step 3: Cross multiply
    362,592.57x = 500,348.42 × 209,640.58
  4. Step 4: Simplify right side
    362,592.57x = 104,893,329,420.94
  5. Step 5: Solve for x
    x = 104,893,329,420.94/362,592.57
  6. Step 6: Final answer
    x = 289,287.03

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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.