Home / 429,743.26-643,729.15-251,710.53

Finding the Fourth Proportional to 429,743.26, 643,729.15 and 251,710.53

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Solution

The fourth proportional to 429,743.26, 643,729.15 and 251,710.53 is: 377,047.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,743.26 : 643,729.15 = 251,710.53 : x
  2. Step 2: Convert to fraction form
    429,743.26/643,729.15 = 251,710.53/x
  3. Step 3: Cross multiply
    429,743.26x = 643,729.15 × 251,710.53
  4. Step 4: Simplify right side
    429,743.26x = 162,033,405,522.95
  5. Step 5: Solve for x
    x = 162,033,405,522.95/429,743.26
  6. Step 6: Final answer
    x = 377,047.00

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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.