Finding the Fourth Proportional to 235,431.63, 350,929.60 and 216,535.95
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Solution
The fourth proportional to 235,431.63, 350,929.60 and 216,535.95 is: 322,764.08
Step by Step Solution
- Step 1: Write the proportion equation
235,431.63 : 350,929.60 = 216,535.95 : x - Step 2: Convert to fraction form
235,431.63/350,929.60 = 216,535.95/x - Step 3: Cross multiply
235,431.63x = 350,929.60 × 216,535.95 - Step 4: Simplify right side
235,431.63x = 75,988,873,777.78 - Step 5: Solve for x
x = 75,988,873,777.78/235,431.63 - Step 6: Final answer
x = 322,764.08
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.