Finding the Fourth Proportional to 235,509.94, 324,836.61 and 144,746.74
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Solution
The fourth proportional to 235,509.94, 324,836.61 and 144,746.74 is: 199,647.80
Step by Step Solution
- Step 1: Write the proportion equation
235,509.94 : 324,836.61 = 144,746.74 : x - Step 2: Convert to fraction form
235,509.94/324,836.61 = 144,746.74/x - Step 3: Cross multiply
235,509.94x = 324,836.61 × 144,746.74 - Step 4: Simplify right side
235,509.94x = 47,019,040,330.15 - Step 5: Solve for x
x = 47,019,040,330.15/235,509.94 - Step 6: Final answer
x = 199,647.80
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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.