Finding the Fourth Proportional to 145,142.20, 217,582.08 and 51,626.08
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Solution
The fourth proportional to 145,142.20, 217,582.08 and 51,626.08 is: 77,392.45
Step by Step Solution
- Step 1: Write the proportion equation
145,142.20 : 217,582.08 = 51,626.08 : x - Step 2: Convert to fraction form
145,142.20/217,582.08 = 51,626.08/x - Step 3: Cross multiply
145,142.20x = 217,582.08 × 51,626.08 - Step 4: Simplify right side
145,142.20x = 11,232,909,868.65 - Step 5: Solve for x
x = 11,232,909,868.65/145,142.20 - Step 6: Final answer
x = 77,392.45
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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.