Finding the Fourth Proportional to 194,477.63, 268,379.12 and 105,053.63
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Solution
The fourth proportional to 194,477.63, 268,379.12 and 105,053.63 is: 144,974.00
Step by Step Solution
- Step 1: Write the proportion equation
194,477.63 : 268,379.12 = 105,053.63 : x - Step 2: Convert to fraction form
194,477.63/268,379.12 = 105,053.63/x - Step 3: Cross multiply
194,477.63x = 268,379.12 × 105,053.63 - Step 4: Simplify right side
194,477.63x = 28,194,199,692.94 - Step 5: Solve for x
x = 28,194,199,692.94/194,477.63 - Step 6: Final answer
x = 144,974.00
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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.