Finding the Fourth Proportional to 133,663.96, 184,432.82 and 76,277.08
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Solution
The fourth proportional to 133,663.96, 184,432.82 and 76,277.08 is: 105,248.99
Step by Step Solution
- Step 1: Write the proportion equation
133,663.96 : 184,432.82 = 76,277.08 : x - Step 2: Convert to fraction form
133,663.96/184,432.82 = 76,277.08/x - Step 3: Cross multiply
133,663.96x = 184,432.82 × 76,277.08 - Step 4: Simplify right side
133,663.96x = 14,067,995,662.22 - Step 5: Solve for x
x = 14,067,995,662.22/133,663.96 - Step 6: Final answer
x = 105,248.99
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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.