Home / 459,152.20-633,411.38-306,261

Finding the Fourth Proportional to 459,152.20, 633,411.38 and 306,261

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Solution

The fourth proportional to 459,152.20, 633,411.38 and 306,261 is: 422,494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,152.20 : 633,411.38 = 306,261 : x
  2. Step 2: Convert to fraction form
    459,152.20/633,411.38 = 306,261/x
  3. Step 3: Cross multiply
    459,152.20x = 633,411.38 × 306,261
  4. Step 4: Simplify right side
    459,152.20x = 193,989,202,650.18
  5. Step 5: Solve for x
    x = 193,989,202,650.18/459,152.20
  6. Step 6: Final answer
    x = 422,494.33

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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.