Finding the Fourth Proportional to 219,457.80, 329,186.70 and 202,177.80
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Solution
The fourth proportional to 219,457.80, 329,186.70 and 202,177.80 is: 303,266.70
Step by Step Solution
- Step 1: Write the proportion equation
219,457.80 : 329,186.70 = 202,177.80 : x - Step 2: Convert to fraction form
219,457.80/329,186.70 = 202,177.80/x - Step 3: Cross multiply
219,457.80x = 329,186.70 × 202,177.80 - Step 4: Simplify right side
219,457.80x = 66,554,242,795.26 - Step 5: Solve for x
x = 66,554,242,795.26/219,457.80 - Step 6: Final answer
x = 303,266.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.