Finding the Fourth Proportional to 257,777.24, 386,540.84 and 151,196.02
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Solution
The fourth proportional to 257,777.24, 386,540.84 and 151,196.02 is: 226,720.70
Step by Step Solution
- Step 1: Write the proportion equation
257,777.24 : 386,540.84 = 151,196.02 : x - Step 2: Convert to fraction form
257,777.24/386,540.84 = 151,196.02/x - Step 3: Cross multiply
257,777.24x = 386,540.84 × 151,196.02 - Step 4: Simplify right side
257,777.24x = 58,443,435,987.09 - Step 5: Solve for x
x = 58,443,435,987.09/257,777.24 - Step 6: Final answer
x = 226,720.70
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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.