Finding the Fourth Proportional to 312,674.14, 468,777.93 and 146,423.26
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Solution
The fourth proportional to 312,674.14, 468,777.93 and 146,423.26 is: 219,525.65
Step by Step Solution
- Step 1: Write the proportion equation
312,674.14 : 468,777.93 = 146,423.26 : x - Step 2: Convert to fraction form
312,674.14/468,777.93 = 146,423.26/x - Step 3: Cross multiply
312,674.14x = 468,777.93 × 146,423.26 - Step 4: Simplify right side
312,674.14x = 68,639,992,726.65 - Step 5: Solve for x
x = 68,639,992,726.65/312,674.14 - Step 6: Final answer
x = 219,525.65
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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.