Home / 429,772.03-643,772.10-251,739.29

Finding the Fourth Proportional to 429,772.03, 643,772.10 and 251,739.29

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Solution

The fourth proportional to 429,772.03, 643,772.10 and 251,739.29 is: 377,090.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,772.03 : 643,772.10 = 251,739.29 : x
  2. Step 2: Convert to fraction form
    429,772.03/643,772.10 = 251,739.29/x
  3. Step 3: Cross multiply
    429,772.03x = 643,772.10 × 251,739.29
  4. Step 4: Simplify right side
    429,772.03x = 162,062,733,929.26
  5. Step 5: Solve for x
    x = 162,062,733,929.26/429,772.03
  6. Step 6: Final answer
    x = 377,090.00

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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.