Home / 429,927.19-644,892.27-130,410.34

Finding the Fourth Proportional to 429,927.19, 644,892.27 and 130,410.34

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Solution

The fourth proportional to 429,927.19, 644,892.27 and 130,410.34 is: 195,615.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,927.19 : 644,892.27 = 130,410.34 : x
  2. Step 2: Convert to fraction form
    429,927.19/644,892.27 = 130,410.34/x
  3. Step 3: Cross multiply
    429,927.19x = 644,892.27 × 130,410.34
  4. Step 4: Simplify right side
    429,927.19x = 84,100,620,194.07
  5. Step 5: Solve for x
    x = 84,100,620,194.07/429,927.19
  6. Step 6: Final answer
    x = 195,615.96

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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.