Finding the Fourth Proportional to 366,874.68, 506,292.31 and 221,660.31
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Solution
The fourth proportional to 366,874.68, 506,292.31 and 221,660.31 is: 305,894.40
Step by Step Solution
- Step 1: Write the proportion equation
366,874.68 : 506,292.31 = 221,660.31 : x - Step 2: Convert to fraction form
366,874.68/506,292.31 = 221,660.31/x - Step 3: Cross multiply
366,874.68x = 506,292.31 × 221,660.31 - Step 4: Simplify right side
366,874.68x = 112,224,911,314.05 - Step 5: Solve for x
x = 112,224,911,314.05/366,874.68 - Step 6: Final answer
x = 305,894.40
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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.