Finding the Fourth Proportional to 506,953.53, 699,596.49 and 315,966.75
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Solution
The fourth proportional to 506,953.53, 699,596.49 and 315,966.75 is: 436,034.50
Step by Step Solution
- Step 1: Write the proportion equation
506,953.53 : 699,596.49 = 315,966.75 : x - Step 2: Convert to fraction form
506,953.53/699,596.49 = 315,966.75/x - Step 3: Cross multiply
506,953.53x = 699,596.49 × 315,966.75 - Step 4: Simplify right side
506,953.53x = 221,049,229,256.71 - Step 5: Solve for x
x = 221,049,229,256.71/506,953.53 - Step 6: Final answer
x = 436,034.50
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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.