Finding the Fourth Proportional to 79,437.78, 119,125.44 and 28,824.75
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Solution
The fourth proportional to 79,437.78, 119,125.44 and 28,824.75 is: 43,225.79
Step by Step Solution
- Step 1: Write the proportion equation
79,437.78 : 119,125.44 = 28,824.75 : x - Step 2: Convert to fraction form
79,437.78/119,125.44 = 28,824.75/x - Step 3: Cross multiply
79,437.78x = 119,125.44 × 28,824.75 - Step 4: Simplify right side
79,437.78x = 3,433,761,026.64 - Step 5: Solve for x
x = 3,433,761,026.64/79,437.78 - Step 6: Final answer
x = 43,225.79
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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.