Finding the Fourth Proportional to 432,596.40, 648,518.64 and 207,844.08
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Solution
The fourth proportional to 432,596.40, 648,518.64 and 207,844.08 is: 311,585.49
Step by Step Solution
- Step 1: Write the proportion equation
432,596.40 : 648,518.64 = 207,844.08 : x - Step 2: Convert to fraction form
432,596.40/648,518.64 = 207,844.08/x - Step 3: Cross multiply
432,596.40x = 648,518.64 × 207,844.08 - Step 4: Simplify right side
432,596.40x = 134,790,760,093.65 - Step 5: Solve for x
x = 134,790,760,093.65/432,596.40 - Step 6: Final answer
x = 311,585.49
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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.