Finding the Fourth Proportional to 429,777.97, 643,781.01 and 251,745.23
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Solution
The fourth proportional to 429,777.97, 643,781.01 and 251,745.23 is: 377,098.90
Step by Step Solution
- Step 1: Write the proportion equation
429,777.97 : 643,781.01 = 251,745.23 : x - Step 2: Convert to fraction form
429,777.97/643,781.01 = 251,745.23/x - Step 3: Cross multiply
429,777.97x = 643,781.01 × 251,745.23 - Step 4: Simplify right side
429,777.97x = 162,068,798,432.08 - Step 5: Solve for x
x = 162,068,798,432.08/429,777.97 - Step 6: Final answer
x = 377,098.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.