Finding the Fourth Proportional to 545,173.49, 752,322.66 and 303,449.84
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Solution
The fourth proportional to 545,173.49, 752,322.66 and 303,449.84 is: 418,751.46
Step by Step Solution
- Step 1: Write the proportion equation
545,173.49 : 752,322.66 = 303,449.84 : x - Step 2: Convert to fraction form
545,173.49/752,322.66 = 303,449.84/x - Step 3: Cross multiply
545,173.49x = 752,322.66 × 303,449.84 - Step 4: Simplify right side
545,173.49x = 228,292,192,686.18 - Step 5: Solve for x
x = 228,292,192,686.18/545,173.49 - Step 6: Final answer
x = 418,751.46
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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.