Finding the Fourth Proportional to 235,613.34, 325,136.84 and 128,183.45
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Solution
The fourth proportional to 235,613.34, 325,136.84 and 128,183.45 is: 176,887.95
Step by Step Solution
- Step 1: Write the proportion equation
235,613.34 : 325,136.84 = 128,183.45 : x - Step 2: Convert to fraction form
235,613.34/325,136.84 = 128,183.45/x - Step 3: Cross multiply
235,613.34x = 325,136.84 × 128,183.45 - Step 4: Simplify right side
235,613.34x = 41,677,159,606.70 - Step 5: Solve for x
x = 41,677,159,606.70/235,613.34 - Step 6: Final answer
x = 176,887.95
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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.