Finding the Fourth Proportional to 204,710.18, 307,065.26 and 79,963.70
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Solution
The fourth proportional to 204,710.18, 307,065.26 and 79,963.70 is: 119,945.54
Step by Step Solution
- Step 1: Write the proportion equation
204,710.18 : 307,065.26 = 79,963.70 : x - Step 2: Convert to fraction form
204,710.18/307,065.26 = 79,963.70/x - Step 3: Cross multiply
204,710.18x = 307,065.26 × 79,963.70 - Step 4: Simplify right side
204,710.18x = 24,554,072,395.92 - Step 5: Solve for x
x = 24,554,072,395.92/204,710.18 - Step 6: Final answer
x = 119,945.54
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1.5x scale
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.