Finding the Fourth Proportional to 397,425.20, 596,137.98 and 97,911.62
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Solution
The fourth proportional to 397,425.20, 596,137.98 and 97,911.62 is: 146,867.47
Step by Step Solution
- Step 1: Write the proportion equation
397,425.20 : 596,137.98 = 97,911.62 : x - Step 2: Convert to fraction form
397,425.20/596,137.98 = 97,911.62/x - Step 3: Cross multiply
397,425.20x = 596,137.98 × 97,911.62 - Step 4: Simplify right side
397,425.20x = 58,368,835,365.33 - Step 5: Solve for x
x = 58,368,835,365.33/397,425.20 - Step 6: Final answer
x = 146,867.47
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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.