Finding the Fourth Proportional to 314,205.70, 433,613.09 and 170,974.96
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Solution
The fourth proportional to 314,205.70, 433,613.09 and 170,974.96 is: 235,950.46
Step by Step Solution
- Step 1: Write the proportion equation
314,205.70 : 433,613.09 = 170,974.96 : x - Step 2: Convert to fraction form
314,205.70/433,613.09 = 170,974.96/x - Step 3: Cross multiply
314,205.70x = 433,613.09 × 170,974.96 - Step 4: Simplify right side
314,205.70x = 74,136,980,718.23 - Step 5: Solve for x
x = 74,136,980,718.23/314,205.70 - Step 6: Final answer
x = 235,950.46
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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.