Finding the Fourth Proportional to 367,863.18, 507,663.15 and 206,749.26
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Solution
The fourth proportional to 367,863.18, 507,663.15 and 206,749.26 is: 285,320.70
Step by Step Solution
- Step 1: Write the proportion equation
367,863.18 : 507,663.15 = 206,749.26 : x - Step 2: Convert to fraction form
367,863.18/507,663.15 = 206,749.26/x - Step 3: Cross multiply
367,863.18x = 507,663.15 × 206,749.26 - Step 4: Simplify right side
367,863.18x = 104,958,980,591.77 - Step 5: Solve for x
x = 104,958,980,591.77/367,863.18 - Step 6: Final answer
x = 285,320.70
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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.