Finding the Fourth Proportional to 853,173.05, 1,177,371.59 and 471,191.63
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Solution
The fourth proportional to 853,173.05, 1,177,371.59 and 471,191.63 is: 650,240.46
Step by Step Solution
- Step 1: Write the proportion equation
853,173.05 : 1,177,371.59 = 471,191.63 : x - Step 2: Convert to fraction form
853,173.05/1,177,371.59 = 471,191.63/x - Step 3: Cross multiply
853,173.05x = 1,177,371.59 × 471,191.63 - Step 4: Simplify right side
853,173.05x = 554,767,630,364.98 - Step 5: Solve for x
x = 554,767,630,364.98/853,173.05 - Step 6: Final answer
x = 650,240.46
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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.