Finding the Fourth Proportional to 270,643.68, 406,003.19 and 112,835.84
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Solution
The fourth proportional to 270,643.68, 406,003.19 and 112,835.84 is: 169,269.46
Step by Step Solution
- Step 1: Write the proportion equation
270,643.68 : 406,003.19 = 112,835.84 : x - Step 2: Convert to fraction form
270,643.68/406,003.19 = 112,835.84/x - Step 3: Cross multiply
270,643.68x = 406,003.19 × 112,835.84 - Step 4: Simplify right side
270,643.68x = 45,811,708,392.13 - Step 5: Solve for x
x = 45,811,708,392.13/270,643.68 - Step 6: Final answer
x = 169,269.46
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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.