Finding the Fourth Proportional to 302,619.68, 417,616.41 and 173,563.14
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Solution
The fourth proportional to 302,619.68, 417,616.41 and 173,563.14 is: 239,517.85
Step by Step Solution
- Step 1: Write the proportion equation
302,619.68 : 417,616.41 = 173,563.14 : x - Step 2: Convert to fraction form
302,619.68/417,616.41 = 173,563.14/x - Step 3: Cross multiply
302,619.68x = 417,616.41 × 173,563.14 - Step 4: Simplify right side
302,619.68x = 72,482,814,326.67 - Step 5: Solve for x
x = 72,482,814,326.67/302,619.68 - Step 6: Final answer
x = 239,517.85
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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.