Finding the Fourth Proportional to 383,884.97, 529,759.77 and 211,813.65
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Solution
The fourth proportional to 383,884.97, 529,759.77 and 211,813.65 is: 292,302.02
Step by Step Solution
- Step 1: Write the proportion equation
383,884.97 : 529,759.77 = 211,813.65 : x - Step 2: Convert to fraction form
383,884.97/529,759.77 = 211,813.65/x - Step 3: Cross multiply
383,884.97x = 529,759.77 × 211,813.65 - Step 4: Simplify right side
383,884.97x = 112,210,350,506.86 - Step 5: Solve for x
x = 112,210,350,506.86/383,884.97 - Step 6: Final answer
x = 292,302.02
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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.