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Finding the Fourth Proportional to 459,364.56, 633,951.73 and 255,461.03

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Solution

The fourth proportional to 459,364.56, 633,951.73 and 255,461.03 is: 352,552.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,364.56 : 633,951.73 = 255,461.03 : x
  2. Step 2: Convert to fraction form
    459,364.56/633,951.73 = 255,461.03/x
  3. Step 3: Cross multiply
    459,364.56x = 633,951.73 × 255,461.03
  4. Step 4: Simplify right side
    459,364.56x = 161,949,961,916.08
  5. Step 5: Solve for x
    x = 161,949,961,916.08/459,364.56
  6. Step 6: Final answer
    x = 352,552.15

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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.