Finding the Fourth Proportional to 153,438.70, 229,872.93 and 83,376.94
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Solution
The fourth proportional to 153,438.70, 229,872.93 and 83,376.94 is: 124,910.48
Step by Step Solution
- Step 1: Write the proportion equation
153,438.70 : 229,872.93 = 83,376.94 : x - Step 2: Convert to fraction form
153,438.70/229,872.93 = 83,376.94/x - Step 3: Cross multiply
153,438.70x = 229,872.93 × 83,376.94 - Step 4: Simplify right side
153,438.70x = 19,166,101,492.23 - Step 5: Solve for x
x = 19,166,101,492.23/153,438.70 - Step 6: Final answer
x = 124,910.48
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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.