Finding the Fourth Proportional to 239,195.67, 358,355.93 and 112,940.19
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Solution
The fourth proportional to 239,195.67, 358,355.93 and 112,940.19 is: 169,203.67
Step by Step Solution
- Step 1: Write the proportion equation
239,195.67 : 358,355.93 = 112,940.19 : x - Step 2: Convert to fraction form
239,195.67/358,355.93 = 112,940.19/x - Step 3: Cross multiply
239,195.67x = 358,355.93 × 112,940.19 - Step 4: Simplify right side
239,195.67x = 40,472,786,257.13 - Step 5: Solve for x
x = 40,472,786,257.13/239,195.67 - Step 6: Final answer
x = 169,203.67
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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.