Finding the Fourth Proportional to 232,986.80, 348,955.32 and 139,296.08
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Solution
The fourth proportional to 232,986.80, 348,955.32 and 139,296.08 is: 208,630.31
Step by Step Solution
- Step 1: Write the proportion equation
232,986.80 : 348,955.32 = 139,296.08 : x - Step 2: Convert to fraction form
232,986.80/348,955.32 = 139,296.08/x - Step 3: Cross multiply
232,986.80x = 348,955.32 × 139,296.08 - Step 4: Simplify right side
232,986.80x = 48,608,108,171.15 - Step 5: Solve for x
x = 48,608,108,171.15/232,986.80 - Step 6: Final answer
x = 208,630.31
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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.