Finding the Fourth Proportional to 545,115.59, 752,251.96 and 303,398.26
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Solution
The fourth proportional to 545,115.59, 752,251.96 and 303,398.26 is: 418,685.39
Step by Step Solution
- Step 1: Write the proportion equation
545,115.59 : 752,251.96 = 303,398.26 : x - Step 2: Convert to fraction form
545,115.59/752,251.96 = 303,398.26/x - Step 3: Cross multiply
545,115.59x = 752,251.96 × 303,398.26 - Step 4: Simplify right side
545,115.59x = 228,231,934,244.21 - Step 5: Solve for x
x = 228,231,934,244.21/545,115.59 - Step 6: Final answer
x = 418,685.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.