Finding the Fourth Proportional to 168,391.80, 232,464.78 and 104,750.28
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Solution
The fourth proportional to 168,391.80, 232,464.78 and 104,750.28 is: 144,607.70
Step by Step Solution
- Step 1: Write the proportion equation
168,391.80 : 232,464.78 = 104,750.28 : x - Step 2: Convert to fraction form
168,391.80/232,464.78 = 104,750.28/x - Step 3: Cross multiply
168,391.80x = 232,464.78 × 104,750.28 - Step 4: Simplify right side
168,391.80x = 24,350,750,795.14 - Step 5: Solve for x
x = 24,350,750,795.14/168,391.80 - Step 6: Final answer
x = 144,607.70
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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.