Finding the Fourth Proportional to 343,836.03, 474,486.21 and 190,865.28
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Solution
The fourth proportional to 343,836.03, 474,486.21 and 190,865.28 is: 263,389.92
Step by Step Solution
- Step 1: Write the proportion equation
343,836.03 : 474,486.21 = 190,865.28 : x - Step 2: Convert to fraction form
343,836.03/474,486.21 = 190,865.28/x - Step 3: Cross multiply
343,836.03x = 474,486.21 × 190,865.28 - Step 4: Simplify right side
343,836.03x = 90,562,943,327.79 - Step 5: Solve for x
x = 90,562,943,327.79/343,836.03 - Step 6: Final answer
x = 263,389.92
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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.