Finding the Fourth Proportional to 163,347.84, 244,961.28 and 58,138.56
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Solution
The fourth proportional to 163,347.84, 244,961.28 and 58,138.56 is: 87,186.31
Step by Step Solution
- Step 1: Write the proportion equation
163,347.84 : 244,961.28 = 58,138.56 : x - Step 2: Convert to fraction form
163,347.84/244,961.28 = 58,138.56/x - Step 3: Cross multiply
163,347.84x = 244,961.28 × 58,138.56 - Step 4: Simplify right side
163,347.84x = 14,241,696,074.96 - Step 5: Solve for x
x = 14,241,696,074.96/163,347.84 - Step 6: Final answer
x = 87,186.31
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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.