Finding the Fourth Proportional to 343,783.92, 474,420.09 and 190,823.94
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Solution
The fourth proportional to 343,783.92, 474,420.09 and 190,823.94 is: 263,336.08
Step by Step Solution
- Step 1: Write the proportion equation
343,783.92 : 474,420.09 = 190,823.94 : x - Step 2: Convert to fraction form
343,783.92/474,420.09 = 190,823.94/x - Step 3: Cross multiply
343,783.92x = 474,420.09 × 190,823.94 - Step 4: Simplify right side
343,783.92x = 90,530,710,788.95 - Step 5: Solve for x
x = 90,530,710,788.95/343,783.92 - Step 6: Final answer
x = 263,336.08
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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.