Home / 429,965.91-644,946.84-110,117.16

Finding the Fourth Proportional to 429,965.91, 644,946.84 and 110,117.16

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Solution

The fourth proportional to 429,965.91, 644,946.84 and 110,117.16 is: 165,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,965.91 : 644,946.84 = 110,117.16 : x
  2. Step 2: Convert to fraction form
    429,965.91/644,946.84 = 110,117.16/x
  3. Step 3: Cross multiply
    429,965.91x = 644,946.84 × 110,117.16
  4. Step 4: Simplify right side
    429,965.91x = 71,019,714,371.77
  5. Step 5: Solve for x
    x = 71,019,714,371.77/429,965.91
  6. Step 6: Final answer
    x = 165,175.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.