Finding the Fourth Proportional to 235,643.67, 324,810.16 and 159,138.31
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Solution
The fourth proportional to 235,643.67, 324,810.16 and 159,138.31 is: 219,355.52
Step by Step Solution
- Step 1: Write the proportion equation
235,643.67 : 324,810.16 = 159,138.31 : x - Step 2: Convert to fraction form
235,643.67/324,810.16 = 159,138.31/x - Step 3: Cross multiply
235,643.67x = 324,810.16 × 159,138.31 - Step 4: Simplify right side
235,643.67x = 51,689,739,994.55 - Step 5: Solve for x
x = 51,689,739,994.55/235,643.67 - Step 6: Final answer
x = 219,355.52
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1.5x scale
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.