Finding the Fourth Proportional to 439,634.17, 659,106.74 and 173,593.82
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Solution
The fourth proportional to 439,634.17, 659,106.74 and 173,593.82 is: 260,254.70
Step by Step Solution
- Step 1: Write the proportion equation
439,634.17 : 659,106.74 = 173,593.82 : x - Step 2: Convert to fraction form
439,634.17/659,106.74 = 173,593.82/x - Step 3: Cross multiply
439,634.17x = 659,106.74 × 173,593.82 - Step 4: Simplify right side
439,634.17x = 114,416,858,866.10 - Step 5: Solve for x
x = 114,416,858,866.10/439,634.17 - Step 6: Final answer
x = 260,254.70
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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.