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Finding the Fourth Proportional to 469,506.04, 647,918.64 and 254,646.04

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Solution

The fourth proportional to 469,506.04, 647,918.64 and 254,646.04 is: 351,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,506.04 : 647,918.64 = 254,646.04 : x
  2. Step 2: Convert to fraction form
    469,506.04/647,918.64 = 254,646.04/x
  3. Step 3: Cross multiply
    469,506.04x = 647,918.64 × 254,646.04
  4. Step 4: Simplify right side
    469,506.04x = 164,989,915,918.19
  5. Step 5: Solve for x
    x = 164,989,915,918.19/469,506.04
  6. Step 6: Final answer
    x = 351,411.70

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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.