Finding the Fourth Proportional to 545,322.71, 752,543.70 and 303,599.06
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Solution
The fourth proportional to 545,322.71, 752,543.70 and 303,599.06 is: 418,965.79
Step by Step Solution
- Step 1: Write the proportion equation
545,322.71 : 752,543.70 = 303,599.06 : x - Step 2: Convert to fraction form
545,322.71/752,543.70 = 303,599.06/x - Step 3: Cross multiply
545,322.71x = 752,543.70 × 303,599.06 - Step 4: Simplify right side
545,322.71x = 228,471,556,166.20 - Step 5: Solve for x
x = 228,471,556,166.20/545,322.71 - Step 6: Final answer
x = 418,965.79
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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.