Finding the Fourth Proportional to 165,472.40, 248,221.08 and 51,605.84
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Solution
The fourth proportional to 165,472.40, 248,221.08 and 51,605.84 is: 77,412.65
Step by Step Solution
- Step 1: Write the proportion equation
165,472.40 : 248,221.08 = 51,605.84 : x - Step 2: Convert to fraction form
165,472.40/248,221.08 = 51,605.84/x - Step 3: Cross multiply
165,472.40x = 248,221.08 × 51,605.84 - Step 4: Simplify right side
165,472.40x = 12,809,657,339.11 - Step 5: Solve for x
x = 12,809,657,339.11/165,472.40 - Step 6: Final answer
x = 77,412.65
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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.