Home / 454,090.26-626,644.70-263,214.36

Finding the Fourth Proportional to 454,090.26, 626,644.70 and 263,214.36

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Solution

The fourth proportional to 454,090.26, 626,644.70 and 263,214.36 is: 363,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,090.26 : 626,644.70 = 263,214.36 : x
  2. Step 2: Convert to fraction form
    454,090.26/626,644.70 = 263,214.36/x
  3. Step 3: Cross multiply
    454,090.26x = 626,644.70 × 263,214.36
  4. Step 4: Simplify right side
    454,090.26x = 164,941,883,657.89
  5. Step 5: Solve for x
    x = 164,941,883,657.89/454,090.26
  6. Step 6: Final answer
    x = 363,235.90

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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.