Finding the Fourth Proportional to 343,888.80, 515,575.08 and 119,170.32
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Solution
The fourth proportional to 343,888.80, 515,575.08 and 119,170.32 is: 178,666.03
Step by Step Solution
- Step 1: Write the proportion equation
343,888.80 : 515,575.08 = 119,170.32 : x - Step 2: Convert to fraction form
343,888.80/515,575.08 = 119,170.32/x - Step 3: Cross multiply
343,888.80x = 515,575.08 × 119,170.32 - Step 4: Simplify right side
343,888.80x = 61,441,247,267.63 - Step 5: Solve for x
x = 61,441,247,267.63/343,888.80 - Step 6: Final answer
x = 178,666.03
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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.