Finding the Fourth Proportional to 397,710.38, 596,566.80 and 98,190.99
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Solution
The fourth proportional to 397,710.38, 596,566.80 and 98,190.99 is: 147,286.79
Step by Step Solution
- Step 1: Write the proportion equation
397,710.38 : 596,566.80 = 98,190.99 : x - Step 2: Convert to fraction form
397,710.38/596,566.80 = 98,190.99/x - Step 3: Cross multiply
397,710.38x = 596,566.80 × 98,190.99 - Step 4: Simplify right side
397,710.38x = 58,577,484,693.13 - Step 5: Solve for x
x = 58,577,484,693.13/397,710.38 - Step 6: Final answer
x = 147,286.79
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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.