Finding the Fourth Proportional to 146,909.08, 202,722.51 and 86,470.12
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Solution
The fourth proportional to 146,909.08, 202,722.51 and 86,470.12 is: 119,321.69
Step by Step Solution
- Step 1: Write the proportion equation
146,909.08 : 202,722.51 = 86,470.12 : x - Step 2: Convert to fraction form
146,909.08/202,722.51 = 86,470.12/x - Step 3: Cross multiply
146,909.08x = 202,722.51 × 86,470.12 - Step 4: Simplify right side
146,909.08x = 17,529,439,766.40 - Step 5: Solve for x
x = 17,529,439,766.40/146,909.08 - Step 6: Final answer
x = 119,321.69
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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.