Finding the Fourth Proportional to 664,373.80, 996,366.30 and 237,860.20
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Solution
The fourth proportional to 664,373.80, 996,366.30 and 237,860.20 is: 356,720.70
Step by Step Solution
- Step 1: Write the proportion equation
664,373.80 : 996,366.30 = 237,860.20 : x - Step 2: Convert to fraction form
664,373.80/996,366.30 = 237,860.20/x - Step 3: Cross multiply
664,373.80x = 996,366.30 × 237,860.20 - Step 4: Simplify right side
664,373.80x = 236,995,887,391.26 - Step 5: Solve for x
x = 236,995,887,391.26/664,373.80 - Step 6: Final answer
x = 356,720.70
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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.