Home / 389,175.64-537,071.90-217,092.34

Finding the Fourth Proportional to 389,175.64, 537,071.90 and 217,092.34

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Solution

The fourth proportional to 389,175.64, 537,071.90 and 217,092.34 is: 299,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,175.64 : 537,071.90 = 217,092.34 : x
  2. Step 2: Convert to fraction form
    389,175.64/537,071.90 = 217,092.34/x
  3. Step 3: Cross multiply
    389,175.64x = 537,071.90 × 217,092.34
  4. Step 4: Simplify right side
    389,175.64x = 116,594,195,519.25
  5. Step 5: Solve for x
    x = 116,594,195,519.25/389,175.64
  6. Step 6: Final answer
    x = 299,592.74

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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.