Finding the Fourth Proportional to 77,178.22, 115,775.64 and 24,575.40
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Solution
The fourth proportional to 77,178.22, 115,775.64 and 24,575.40 is: 36,865.75
Step by Step Solution
- Step 1: Write the proportion equation
77,178.22 : 115,775.64 = 24,575.40 : x - Step 2: Convert to fraction form
77,178.22/115,775.64 = 24,575.40/x - Step 3: Cross multiply
77,178.22x = 115,775.64 × 24,575.40 - Step 4: Simplify right side
77,178.22x = 2,845,232,663.26 - Step 5: Solve for x
x = 2,845,232,663.26/77,178.22 - Step 6: Final answer
x = 36,865.75
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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.