Finding the Fourth Proportional to 312,809.24, 468,888.85 and 133,010.10
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Solution
The fourth proportional to 312,809.24, 468,888.85 and 133,010.10 is: 199,376.95
Step by Step Solution
- Step 1: Write the proportion equation
312,809.24 : 468,888.85 = 133,010.10 : x - Step 2: Convert to fraction form
312,809.24/468,888.85 = 133,010.10/x - Step 3: Cross multiply
312,809.24x = 468,888.85 × 133,010.10 - Step 4: Simplify right side
312,809.24x = 62,366,952,993.65 - Step 5: Solve for x
x = 62,366,952,993.65/312,809.24 - Step 6: Final answer
x = 199,376.95
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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.