Finding the Fourth Proportional to 305,022.18, 420,946.08 and 175,912.62
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Solution
The fourth proportional to 305,022.18, 420,946.08 and 175,912.62 is: 242,768.34
Step by Step Solution
- Step 1: Write the proportion equation
305,022.18 : 420,946.08 = 175,912.62 : x - Step 2: Convert to fraction form
305,022.18/420,946.08 = 175,912.62/x - Step 3: Cross multiply
305,022.18x = 420,946.08 × 175,912.62 - Step 4: Simplify right side
305,022.18x = 74,049,727,811.53 - Step 5: Solve for x
x = 74,049,727,811.53/305,022.18 - Step 6: Final answer
x = 242,768.34
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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.