Finding the Fourth Proportional to 205,329.36, 283,356.68 and 120,447.84
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Solution
The fourth proportional to 205,329.36, 283,356.68 and 120,447.84 is: 166,219.29
Step by Step Solution
- Step 1: Write the proportion equation
205,329.36 : 283,356.68 = 120,447.84 : x - Step 2: Convert to fraction form
205,329.36/283,356.68 = 120,447.84/x - Step 3: Cross multiply
205,329.36x = 283,356.68 × 120,447.84 - Step 4: Simplify right side
205,329.36x = 34,129,700,055.57 - Step 5: Solve for x
x = 34,129,700,055.57/205,329.36 - Step 6: Final answer
x = 166,219.29
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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.