Home / 306,938.92-423,372.90-192,018.16

Finding the Fourth Proportional to 306,938.92, 423,372.90 and 192,018.16

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Solution

The fourth proportional to 306,938.92, 423,372.90 and 192,018.16 is: 264,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,938.92 : 423,372.90 = 192,018.16 : x
  2. Step 2: Convert to fraction form
    306,938.92/423,372.90 = 192,018.16/x
  3. Step 3: Cross multiply
    306,938.92x = 423,372.90 × 192,018.16
  4. Step 4: Simplify right side
    306,938.92x = 81,295,285,251.86
  5. Step 5: Solve for x
    x = 81,295,285,251.86/306,938.92
  6. Step 6: Final answer
    x = 264,858.18

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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.