Finding the Fourth Proportional to 247,277.80, 370,916.70 and 194,133.70
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Solution
The fourth proportional to 247,277.80, 370,916.70 and 194,133.70 is: 291,200.55
Step by Step Solution
- Step 1: Write the proportion equation
247,277.80 : 370,916.70 = 194,133.70 : x - Step 2: Convert to fraction form
247,277.80/370,916.70 = 194,133.70/x - Step 3: Cross multiply
247,277.80x = 370,916.70 × 194,133.70 - Step 4: Simplify right side
247,277.80x = 72,007,431,362.79 - Step 5: Solve for x
x = 72,007,431,362.79/247,277.80 - Step 6: Final answer
x = 291,200.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.