Finding the Fourth Proportional to 165,518.24, 248,129.68 and 137,666.80
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Solution
The fourth proportional to 165,518.24, 248,129.68 and 137,666.80 is: 206,377.37
Step by Step Solution
- Step 1: Write the proportion equation
165,518.24 : 248,129.68 = 137,666.80 : x - Step 2: Convert to fraction form
165,518.24/248,129.68 = 137,666.80/x - Step 3: Cross multiply
165,518.24x = 248,129.68 × 137,666.80 - Step 4: Simplify right side
165,518.24x = 34,159,219,030.62 - Step 5: Solve for x
x = 34,159,219,030.62/165,518.24 - Step 6: Final answer
x = 206,377.37
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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.