Finding the Fourth Proportional to 343,678.98, 474,275.97 and 190,740.21
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Solution
The fourth proportional to 343,678.98, 474,275.97 and 190,740.21 is: 263,220.92
Step by Step Solution
- Step 1: Write the proportion equation
343,678.98 : 474,275.97 = 190,740.21 : x - Step 2: Convert to fraction form
343,678.98/474,275.97 = 190,740.21/x - Step 3: Cross multiply
343,678.98x = 474,275.97 × 190,740.21 - Step 4: Simplify right side
343,678.98x = 90,463,498,115.75 - Step 5: Solve for x
x = 90,463,498,115.75/343,678.98 - Step 6: Final answer
x = 263,220.92
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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.