Finding the Fourth Proportional to 343,669.23, 515,509.68 and 119,036.32
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Solution
The fourth proportional to 343,669.23, 515,509.68 and 119,036.32 is: 178,556.50
Step by Step Solution
- Step 1: Write the proportion equation
343,669.23 : 515,509.68 = 119,036.32 : x - Step 2: Convert to fraction form
343,669.23/515,509.68 = 119,036.32/x - Step 3: Cross multiply
343,669.23x = 515,509.68 × 119,036.32 - Step 4: Simplify right side
343,669.23x = 61,364,374,389.19 - Step 5: Solve for x
x = 61,364,374,389.19/343,669.23 - Step 6: Final answer
x = 178,556.50
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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.