Finding the Fourth Proportional to 663,116.18, 994,868.37 and 213,828.02
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Solution
The fourth proportional to 663,116.18, 994,868.37 and 213,828.02 is: 320,804.61
Step by Step Solution
- Step 1: Write the proportion equation
663,116.18 : 994,868.37 = 213,828.02 : x - Step 2: Convert to fraction form
663,116.18/994,868.37 = 213,828.02/x - Step 3: Cross multiply
663,116.18x = 994,868.37 × 213,828.02 - Step 4: Simplify right side
663,116.18x = 212,730,727,674.25 - Step 5: Solve for x
x = 212,730,727,674.25/663,116.18 - Step 6: Final answer
x = 320,804.61
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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.