Finding the Fourth Proportional to 361,718.24, 499,051.68 and 218,423.84
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Solution
The fourth proportional to 361,718.24, 499,051.68 and 218,423.84 is: 301,352.74
Step by Step Solution
- Step 1: Write the proportion equation
361,718.24 : 499,051.68 = 218,423.84 : x - Step 2: Convert to fraction form
361,718.24/499,051.68 = 218,423.84/x - Step 3: Cross multiply
361,718.24x = 499,051.68 × 218,423.84 - Step 4: Simplify right side
361,718.24x = 109,004,784,304.05 - Step 5: Solve for x
x = 109,004,784,304.05/361,718.24 - Step 6: Final answer
x = 301,352.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.