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Finding the Fourth Proportional to 454,068.94, 626,615.31 and 263,192.98

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Solution

The fourth proportional to 454,068.94, 626,615.31 and 263,192.98 is: 363,206.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,068.94 : 626,615.31 = 263,192.98 : x
  2. Step 2: Convert to fraction form
    454,068.94/626,615.31 = 263,192.98/x
  3. Step 3: Cross multiply
    454,068.94x = 626,615.31 × 263,192.98
  4. Step 4: Simplify right side
    454,068.94x = 164,920,750,752.52
  5. Step 5: Solve for x
    x = 164,920,750,752.52/454,068.94
  6. Step 6: Final answer
    x = 363,206.41

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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.