Finding the Fourth Proportional to 144,663.84, 217,028.88 and 55,918.08
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Solution
The fourth proportional to 144,663.84, 217,028.88 and 55,918.08 is: 83,889.92
Step by Step Solution
- Step 1: Write the proportion equation
144,663.84 : 217,028.88 = 55,918.08 : x - Step 2: Convert to fraction form
144,663.84/217,028.88 = 55,918.08/x - Step 3: Cross multiply
144,663.84x = 217,028.88 × 55,918.08 - Step 4: Simplify right side
144,663.84x = 12,135,838,274.15 - Step 5: Solve for x
x = 12,135,838,274.15/144,663.84 - Step 6: Final answer
x = 83,889.92
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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.