Finding the Fourth Proportional to 133,677.18, 184,472.08 and 79,265.96
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Solution
The fourth proportional to 133,677.18, 184,472.08 and 79,265.96 is: 109,385.58
Step by Step Solution
- Step 1: Write the proportion equation
133,677.18 : 184,472.08 = 79,265.96 : x - Step 2: Convert to fraction form
133,677.18/184,472.08 = 79,265.96/x - Step 3: Cross multiply
133,677.18x = 184,472.08 × 79,265.96 - Step 4: Simplify right side
133,677.18x = 14,622,356,514.40 - Step 5: Solve for x
x = 14,622,356,514.40/133,677.18 - Step 6: Final answer
x = 109,385.58
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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.