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Finding the Fourth Proportional to 479,352.32, 661,519.94 and 264,506.22

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Solution

The fourth proportional to 479,352.32, 661,519.94 and 264,506.22 is: 365,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,352.32 : 661,519.94 = 264,506.22 : x
  2. Step 2: Convert to fraction form
    479,352.32/661,519.94 = 264,506.22/x
  3. Step 3: Cross multiply
    479,352.32x = 661,519.94 × 264,506.22
  4. Step 4: Simplify right side
    479,352.32x = 174,976,137,461.50
  5. Step 5: Solve for x
    x = 174,976,137,461.50/479,352.32
  6. Step 6: Final answer
    x = 365,026.17

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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.