Finding the Fourth Proportional to 153,438.08, 211,687.24 and 153,201.53
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Solution
The fourth proportional to 153,438.08, 211,687.24 and 153,201.53 is: 211,360.89
Step by Step Solution
- Step 1: Write the proportion equation
153,438.08 : 211,687.24 = 153,201.53 : x - Step 2: Convert to fraction form
153,438.08/211,687.24 = 153,201.53/x - Step 3: Cross multiply
153,438.08x = 211,687.24 × 153,201.53 - Step 4: Simplify right side
153,438.08x = 32,430,809,049.48 - Step 5: Solve for x
x = 32,430,809,049.48/153,438.08 - Step 6: Final answer
x = 211,360.89
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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.