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Finding the Fourth Proportional to 500,083.66, 690,088.98 and 273,685.42

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Solution

The fourth proportional to 500,083.66, 690,088.98 and 273,685.42 is: 377,671.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,083.66 : 690,088.98 = 273,685.42 : x
  2. Step 2: Convert to fraction form
    500,083.66/690,088.98 = 273,685.42/x
  3. Step 3: Cross multiply
    500,083.66x = 690,088.98 × 273,685.42
  4. Step 4: Simplify right side
    500,083.66x = 188,867,292,328.67
  5. Step 5: Solve for x
    x = 188,867,292,328.67/500,083.66
  6. Step 6: Final answer
    x = 377,671.39

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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.