Finding the Fourth Proportional to 385,798.44, 532,387.17 and 216,024.06
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Solution
The fourth proportional to 385,798.44, 532,387.17 and 216,024.06 is: 298,104.98
Step by Step Solution
- Step 1: Write the proportion equation
385,798.44 : 532,387.17 = 216,024.06 : x - Step 2: Convert to fraction form
385,798.44/532,387.17 = 216,024.06/x - Step 3: Cross multiply
385,798.44x = 532,387.17 × 216,024.06 - Step 4: Simplify right side
385,798.44x = 115,008,437,955.31 - Step 5: Solve for x
x = 115,008,437,955.31/385,798.44 - Step 6: Final answer
x = 298,104.98
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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.