Finding the Fourth Proportional to 427,901.68, 641,612.41 and 293,118.09
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Solution
The fourth proportional to 427,901.68, 641,612.41 and 293,118.09 is: 439,512.65
Step by Step Solution
- Step 1: Write the proportion equation
427,901.68 : 641,612.41 = 293,118.09 : x - Step 2: Convert to fraction form
427,901.68/641,612.41 = 293,118.09/x - Step 3: Cross multiply
427,901.68x = 641,612.41 × 293,118.09 - Step 4: Simplify right side
427,901.68x = 188,068,199,465.84 - Step 5: Solve for x
x = 188,068,199,465.84/427,901.68 - Step 6: Final answer
x = 439,512.65
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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.