Finding the Fourth Proportional to 343,434.01, 515,175.62 and 90,711.99
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Solution
The fourth proportional to 343,434.01, 515,175.62 and 90,711.99 is: 136,074.48
Step by Step Solution
- Step 1: Write the proportion equation
343,434.01 : 515,175.62 = 90,711.99 : x - Step 2: Convert to fraction form
343,434.01/515,175.62 = 90,711.99/x - Step 3: Cross multiply
343,434.01x = 515,175.62 × 90,711.99 - Step 4: Simplify right side
343,434.01x = 46,732,605,689.68 - Step 5: Solve for x
x = 46,732,605,689.68/343,434.01 - Step 6: Final answer
x = 136,074.48
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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.