Finding the Fourth Proportional to 306,757.16, 460,197.94 and 129,264.08
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Solution
The fourth proportional to 306,757.16, 460,197.94 and 129,264.08 is: 193,922.33
Step by Step Solution
- Step 1: Write the proportion equation
306,757.16 : 460,197.94 = 129,264.08 : x - Step 2: Convert to fraction form
306,757.16/460,197.94 = 129,264.08/x - Step 3: Cross multiply
306,757.16x = 460,197.94 × 129,264.08 - Step 4: Simplify right side
306,757.16x = 59,487,063,332.00 - Step 5: Solve for x
x = 59,487,063,332.00/306,757.16 - Step 6: Final answer
x = 193,922.33
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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.