Finding the Fourth Proportional to 144,102.45, 216,626.49 and 133,698.09
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Solution
The fourth proportional to 144,102.45, 216,626.49 and 133,698.09 is: 200,985.81
Step by Step Solution
- Step 1: Write the proportion equation
144,102.45 : 216,626.49 = 133,698.09 : x - Step 2: Convert to fraction form
144,102.45/216,626.49 = 133,698.09/x - Step 3: Cross multiply
144,102.45x = 216,626.49 × 133,698.09 - Step 4: Simplify right side
144,102.45x = 28,962,547,956.40 - Step 5: Solve for x
x = 28,962,547,956.40/144,102.45 - Step 6: Final answer
x = 200,985.81
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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.