Finding the Fourth Proportional to 99,484.96, 149,233.29 and 28,402.14
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Solution
The fourth proportional to 99,484.96, 149,233.29 and 28,402.14 is: 42,604.88
Step by Step Solution
- Step 1: Write the proportion equation
99,484.96 : 149,233.29 = 28,402.14 : x - Step 2: Convert to fraction form
99,484.96/149,233.29 = 28,402.14/x - Step 3: Cross multiply
99,484.96x = 149,233.29 × 28,402.14 - Step 4: Simplify right side
99,484.96x = 4,238,544,795.24 - Step 5: Solve for x
x = 4,238,544,795.24/99,484.96 - Step 6: Final answer
x = 42,604.88
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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.