Finding the Fourth Proportional to 407,279.58, 610,888.62 and 167,328.09
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Solution
The fourth proportional to 407,279.58, 610,888.62 and 167,328.09 is: 250,979.50
Step by Step Solution
- Step 1: Write the proportion equation
407,279.58 : 610,888.62 = 167,328.09 : x - Step 2: Convert to fraction form
407,279.58/610,888.62 = 167,328.09/x - Step 3: Cross multiply
407,279.58x = 610,888.62 × 167,328.09 - Step 4: Simplify right side
407,279.58x = 102,218,825,987.34 - Step 5: Solve for x
x = 102,218,825,987.34/407,279.58 - Step 6: Final answer
x = 250,979.50
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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.