Finding the Fourth Proportional to 389,047.92, 537,329.00 and 261,502.08
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Solution
The fourth proportional to 389,047.92, 537,329.00 and 261,502.08 is: 361,170.55
Step by Step Solution
- Step 1: Write the proportion equation
389,047.92 : 537,329.00 = 261,502.08 : x - Step 2: Convert to fraction form
389,047.92/537,329.00 = 261,502.08/x - Step 3: Cross multiply
389,047.92x = 537,329.00 × 261,502.08 - Step 4: Simplify right side
389,047.92x = 140,512,652,805.57 - Step 5: Solve for x
x = 140,512,652,805.57/389,047.92 - Step 6: Final answer
x = 361,170.55
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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.