Finding the Fourth Proportional to 146,977.51, 202,823.05 and 86,550.70
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Solution
The fourth proportional to 146,977.51, 202,823.05 and 86,550.70 is: 119,436.48
Step by Step Solution
- Step 1: Write the proportion equation
146,977.51 : 202,823.05 = 86,550.70 : x - Step 2: Convert to fraction form
146,977.51/202,823.05 = 86,550.70/x - Step 3: Cross multiply
146,977.51x = 202,823.05 × 86,550.70 - Step 4: Simplify right side
146,977.51x = 17,554,476,953.64 - Step 5: Solve for x
x = 17,554,476,953.64/146,977.51 - Step 6: Final answer
x = 119,436.48
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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.