Finding the Fourth Proportional to 140,319.84, 209,456.16 and 122,604.96
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Solution
The fourth proportional to 140,319.84, 209,456.16 and 122,604.96 is: 183,013.07
Step by Step Solution
- Step 1: Write the proportion equation
140,319.84 : 209,456.16 = 122,604.96 : x - Step 2: Convert to fraction form
140,319.84/209,456.16 = 122,604.96/x - Step 3: Cross multiply
140,319.84x = 209,456.16 × 122,604.96 - Step 4: Simplify right side
140,319.84x = 25,680,364,118.55 - Step 5: Solve for x
x = 25,680,364,118.55/140,319.84 - Step 6: Final answer
x = 183,013.07
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.