Finding the Fourth Proportional to 461,589.87, 692,423.69 and 146,039.79
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Solution
The fourth proportional to 461,589.87, 692,423.69 and 146,039.79 is: 219,071.99
Step by Step Solution
- Step 1: Write the proportion equation
461,589.87 : 692,423.69 = 146,039.79 : x - Step 2: Convert to fraction form
461,589.87/692,423.69 = 146,039.79/x - Step 3: Cross multiply
461,589.87x = 692,423.69 × 146,039.79 - Step 4: Simplify right side
461,589.87x = 101,121,409,548.43 - Step 5: Solve for x
x = 101,121,409,548.43/461,589.87 - Step 6: Final answer
x = 219,071.99
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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.