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Finding the Fourth Proportional to 372,038.96, 513,434.76 and 202,269.44

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Solution

The fourth proportional to 372,038.96, 513,434.76 and 202,269.44 is: 279,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,038.96 : 513,434.76 = 202,269.44 : x
  2. Step 2: Convert to fraction form
    372,038.96/513,434.76 = 202,269.44/x
  3. Step 3: Cross multiply
    372,038.96x = 513,434.76 × 202,269.44
  4. Step 4: Simplify right side
    372,038.96x = 103,852,161,381.73
  5. Step 5: Solve for x
    x = 103,852,161,381.73/372,038.96
  6. Step 6: Final answer
    x = 279,143.24

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