Finding the Fourth Proportional to 309,465.68, 464,194.67 and 84,825.90
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Solution
The fourth proportional to 309,465.68, 464,194.67 and 84,825.90 is: 127,237.80
Step by Step Solution
- Step 1: Write the proportion equation
309,465.68 : 464,194.67 = 84,825.90 : x - Step 2: Convert to fraction form
309,465.68/464,194.67 = 84,825.90/x - Step 3: Cross multiply
309,465.68x = 464,194.67 × 84,825.90 - Step 4: Simplify right side
309,465.68x = 39,375,730,233.82 - Step 5: Solve for x
x = 39,375,730,233.82/309,465.68 - Step 6: Final answer
x = 127,237.80
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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.