Finding the Fourth Proportional to 343,588.44, 474,151.14 and 192,688.68
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Solution
The fourth proportional to 343,588.44, 474,151.14 and 192,688.68 is: 265,909.87
Step by Step Solution
- Step 1: Write the proportion equation
343,588.44 : 474,151.14 = 192,688.68 : x - Step 2: Convert to fraction form
343,588.44/474,151.14 = 192,688.68/x - Step 3: Cross multiply
343,588.44x = 474,151.14 × 192,688.68 - Step 4: Simplify right side
343,588.44x = 91,363,557,287.10 - Step 5: Solve for x
x = 91,363,557,287.10/343,588.44 - Step 6: Final answer
x = 265,909.87
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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.