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Finding the Fourth Proportional to 457,994.01, 632,019.53 and 264,395.18

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Solution

The fourth proportional to 457,994.01, 632,019.53 and 264,395.18 is: 364,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,994.01 : 632,019.53 = 264,395.18 : x
  2. Step 2: Convert to fraction form
    457,994.01/632,019.53 = 264,395.18/x
  3. Step 3: Cross multiply
    457,994.01x = 632,019.53 × 264,395.18
  4. Step 4: Simplify right side
    457,994.01x = 167,102,919,638.90
  5. Step 5: Solve for x
    x = 167,102,919,638.90/457,994.01
  6. Step 6: Final answer
    x = 364,858.31

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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.