Finding the Fourth Proportional to 343,506.42, 474,046.45 and 190,539.63
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Solution
The fourth proportional to 343,506.42, 474,046.45 and 190,539.63 is: 262,948.90
Step by Step Solution
- Step 1: Write the proportion equation
343,506.42 : 474,046.45 = 190,539.63 : x - Step 2: Convert to fraction form
343,506.42/474,046.45 = 190,539.63/x - Step 3: Cross multiply
343,506.42x = 474,046.45 × 190,539.63 - Step 4: Simplify right side
343,506.42x = 90,324,633,291.93 - Step 5: Solve for x
x = 90,324,633,291.93/343,506.42 - Step 6: Final answer
x = 262,948.90
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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.