Finding the Fourth Proportional to 236,479.10, 326,342.06 and 129,051.50
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Solution
The fourth proportional to 236,479.10, 326,342.06 and 129,051.50 is: 178,091.56
Step by Step Solution
- Step 1: Write the proportion equation
236,479.10 : 326,342.06 = 129,051.50 : x - Step 2: Convert to fraction form
236,479.10/326,342.06 = 129,051.50/x - Step 3: Cross multiply
236,479.10x = 326,342.06 × 129,051.50 - Step 4: Simplify right side
236,479.10x = 42,114,932,356.09 - Step 5: Solve for x
x = 42,114,932,356.09/236,479.10 - Step 6: Final answer
x = 178,091.56
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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.