Finding the Fourth Proportional to 235,113.21, 323,718.75 and 207,489.60
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Solution
The fourth proportional to 235,113.21, 323,718.75 and 207,489.60 is: 285,684.82
Step by Step Solution
- Step 1: Write the proportion equation
235,113.21 : 323,718.75 = 207,489.60 : x - Step 2: Convert to fraction form
235,113.21/323,718.75 = 207,489.60/x - Step 3: Cross multiply
235,113.21x = 323,718.75 × 207,489.60 - Step 4: Simplify right side
235,113.21x = 67,168,273,950 - Step 5: Solve for x
x = 67,168,273,950/235,113.21 - Step 6: Final answer
x = 285,684.82
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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.