Finding the Fourth Proportional to 232,722.38, 321,154.26 and 137,259.84
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Solution
The fourth proportional to 232,722.38, 321,154.26 and 137,259.84 is: 189,417.03
Step by Step Solution
- Step 1: Write the proportion equation
232,722.38 : 321,154.26 = 137,259.84 : x - Step 2: Convert to fraction form
232,722.38/321,154.26 = 137,259.84/x - Step 3: Cross multiply
232,722.38x = 321,154.26 × 137,259.84 - Step 4: Simplify right side
232,722.38x = 44,081,582,342.92 - Step 5: Solve for x
x = 44,081,582,342.92/232,722.38 - Step 6: Final answer
x = 189,417.03
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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.