Finding the Fourth Proportional to 165,871.68, 228,913.92 and 94,251.84
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Solution
The fourth proportional to 165,871.68, 228,913.92 and 94,251.84 is: 130,073.79
Step by Step Solution
- Step 1: Write the proportion equation
165,871.68 : 228,913.92 = 94,251.84 : x - Step 2: Convert to fraction form
165,871.68/228,913.92 = 94,251.84/x - Step 3: Cross multiply
165,871.68x = 228,913.92 × 94,251.84 - Step 4: Simplify right side
165,871.68x = 21,575,558,161.61 - Step 5: Solve for x
x = 21,575,558,161.61/165,871.68 - Step 6: Final answer
x = 130,073.79
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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.