Finding the Fourth Proportional to 343,494.18, 473,988.09 and 190,529.70
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Solution
The fourth proportional to 343,494.18, 473,988.09 and 190,529.70 is: 262,912.19
Step by Step Solution
- Step 1: Write the proportion equation
343,494.18 : 473,988.09 = 190,529.70 : x - Step 2: Convert to fraction form
343,494.18/473,988.09 = 190,529.70/x - Step 3: Cross multiply
343,494.18x = 473,988.09 × 190,529.70 - Step 4: Simplify right side
343,494.18x = 90,308,808,591.27 - Step 5: Solve for x
x = 90,308,808,591.27/343,494.18 - Step 6: Final answer
x = 262,912.19
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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.