Finding the Fourth Proportional to 370,425.99, 511,186.76 and 209,280.98
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Solution
The fourth proportional to 370,425.99, 511,186.76 and 209,280.98 is: 288,807.12
Step by Step Solution
- Step 1: Write the proportion equation
370,425.99 : 511,186.76 = 209,280.98 : x - Step 2: Convert to fraction form
370,425.99/511,186.76 = 209,280.98/x - Step 3: Cross multiply
370,425.99x = 511,186.76 × 209,280.98 - Step 4: Simplify right side
370,425.99x = 106,981,663,539.89 - Step 5: Solve for x
x = 106,981,663,539.89/370,425.99 - Step 6: Final answer
x = 288,807.12
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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.