Finding the Fourth Proportional to 165,042.95, 227,764.70 and 93,421.44
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Solution
The fourth proportional to 165,042.95, 227,764.70 and 93,421.44 is: 128,924.66
Step by Step Solution
- Step 1: Write the proportion equation
165,042.95 : 227,764.70 = 93,421.44 : x - Step 2: Convert to fraction form
165,042.95/227,764.70 = 93,421.44/x - Step 3: Cross multiply
165,042.95x = 227,764.70 × 93,421.44 - Step 4: Simplify right side
165,042.95x = 21,278,106,255.17 - Step 5: Solve for x
x = 21,278,106,255.17/165,042.95 - Step 6: Final answer
x = 128,924.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.