Finding the Fourth Proportional to 343,389.10, 515,302.35 and 201,234.10
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Solution
The fourth proportional to 343,389.10, 515,302.35 and 201,234.10 is: 301,979.31
Step by Step Solution
- Step 1: Write the proportion equation
343,389.10 : 515,302.35 = 201,234.10 : x - Step 2: Convert to fraction form
343,389.10/515,302.35 = 201,234.10/x - Step 3: Cross multiply
343,389.10x = 515,302.35 × 201,234.10 - Step 4: Simplify right side
343,389.10x = 103,696,404,630.14 - Step 5: Solve for x
x = 103,696,404,630.14/343,389.10 - Step 6: Final answer
x = 301,979.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.