Finding the Fourth Proportional to 366,822.19, 506,219.79 and 221,607.78
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Solution
The fourth proportional to 366,822.19, 506,219.79 and 221,607.78 is: 305,821.86
Step by Step Solution
- Step 1: Write the proportion equation
366,822.19 : 506,219.79 = 221,607.78 : x - Step 2: Convert to fraction form
366,822.19/506,219.79 = 221,607.78/x - Step 3: Cross multiply
366,822.19x = 506,219.79 × 221,607.78 - Step 4: Simplify right side
366,822.19x = 112,182,243,853.97 - Step 5: Solve for x
x = 112,182,243,853.97/366,822.19 - Step 6: Final answer
x = 305,821.86
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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.