Finding the Fourth Proportional to 486,035.67, 729,053.51 and 153,585.75
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Solution
The fourth proportional to 486,035.67, 729,053.51 and 153,585.75 is: 230,378.63
Step by Step Solution
- Step 1: Write the proportion equation
486,035.67 : 729,053.51 = 153,585.75 : x - Step 2: Convert to fraction form
486,035.67/729,053.51 = 153,585.75/x - Step 3: Cross multiply
486,035.67x = 729,053.51 × 153,585.75 - Step 4: Simplify right side
486,035.67x = 111,972,230,123.48 - Step 5: Solve for x
x = 111,972,230,123.48/486,035.67 - Step 6: Final answer
x = 230,378.63
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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.