Finding the Fourth Proportional to 343,541.99, 474,089.15 and 190,583.21
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Solution
The fourth proportional to 343,541.99, 474,089.15 and 190,583.21 is: 263,005.50
Step by Step Solution
- Step 1: Write the proportion equation
343,541.99 : 474,089.15 = 190,583.21 : x - Step 2: Convert to fraction form
343,541.99/474,089.15 = 190,583.21/x - Step 3: Cross multiply
343,541.99x = 474,089.15 × 190,583.21 - Step 4: Simplify right side
343,541.99x = 90,353,433,694.85 - Step 5: Solve for x
x = 90,353,433,694.85/343,541.99 - Step 6: Final answer
x = 263,005.50
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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.