Finding the Fourth Proportional to 194,631.23, 268,599.08 and 122,985.11
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Solution
The fourth proportional to 194,631.23, 268,599.08 and 122,985.11 is: 169,724.50
Step by Step Solution
- Step 1: Write the proportion equation
194,631.23 : 268,599.08 = 122,985.11 : x - Step 2: Convert to fraction form
194,631.23/268,599.08 = 122,985.11/x - Step 3: Cross multiply
194,631.23x = 268,599.08 × 122,985.11 - Step 4: Simplify right side
194,631.23x = 33,033,688,378.66 - Step 5: Solve for x
x = 33,033,688,378.66/194,631.23 - Step 6: Final answer
x = 169,724.50
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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.