Finding the Fourth Proportional to 285,881.08, 428,518.98 and 96,160.84
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Solution
The fourth proportional to 285,881.08, 428,518.98 and 96,160.84 is: 144,139.46
Step by Step Solution
- Step 1: Write the proportion equation
285,881.08 : 428,518.98 = 96,160.84 : x - Step 2: Convert to fraction form
285,881.08/428,518.98 = 96,160.84/x - Step 3: Cross multiply
285,881.08x = 428,518.98 × 96,160.84 - Step 4: Simplify right side
285,881.08x = 41,206,745,072.74 - Step 5: Solve for x
x = 41,206,745,072.74/285,881.08 - Step 6: Final answer
x = 144,139.46
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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.