Finding the Fourth Proportional to 279,803.43, 385,854.41 and 177,651.54
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Solution
The fourth proportional to 279,803.43, 385,854.41 and 177,651.54 is: 244,984.96
Step by Step Solution
- Step 1: Write the proportion equation
279,803.43 : 385,854.41 = 177,651.54 : x - Step 2: Convert to fraction form
279,803.43/385,854.41 = 177,651.54/x - Step 3: Cross multiply
279,803.43x = 385,854.41 × 177,651.54 - Step 4: Simplify right side
279,803.43x = 68,547,630,152.29 - Step 5: Solve for x
x = 68,547,630,152.29/279,803.43 - Step 6: Final answer
x = 244,984.96
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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.