Finding the Fourth Proportional to 397,511.70, 596,296.35 and 239,399.70
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Solution
The fourth proportional to 397,511.70, 596,296.35 and 239,399.70 is: 359,116.89
Step by Step Solution
- Step 1: Write the proportion equation
397,511.70 : 596,296.35 = 239,399.70 : x - Step 2: Convert to fraction form
397,511.70/596,296.35 = 239,399.70/x - Step 3: Cross multiply
397,511.70x = 596,296.35 × 239,399.70 - Step 4: Simplify right side
397,511.70x = 142,753,167,301.10 - Step 5: Solve for x
x = 142,753,167,301.10/397,511.70 - Step 6: Final answer
x = 359,116.89
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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.