Finding the Fourth Proportional to 342,873.20, 473,221.08 and 205,043.12
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Solution
The fourth proportional to 342,873.20, 473,221.08 and 205,043.12 is: 282,993.03
Step by Step Solution
- Step 1: Write the proportion equation
342,873.20 : 473,221.08 = 205,043.12 : x - Step 2: Convert to fraction form
342,873.20/473,221.08 = 205,043.12/x - Step 3: Cross multiply
342,873.20x = 473,221.08 × 205,043.12 - Step 4: Simplify right side
342,873.20x = 97,030,726,692.97 - Step 5: Solve for x
x = 97,030,726,692.97/342,873.20 - Step 6: Final answer
x = 282,993.03
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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.