Finding the Fourth Proportional to 240,731.19, 332,208.45 and 138,755.84
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Solution
The fourth proportional to 240,731.19, 332,208.45 and 138,755.84 is: 191,482.71
Step by Step Solution
- Step 1: Write the proportion equation
240,731.19 : 332,208.45 = 138,755.84 : x - Step 2: Convert to fraction form
240,731.19/332,208.45 = 138,755.84/x - Step 3: Cross multiply
240,731.19x = 332,208.45 × 138,755.84 - Step 4: Simplify right side
240,731.19x = 46,095,860,873.81 - Step 5: Solve for x
x = 46,095,860,873.81/240,731.19 - Step 6: Final answer
x = 191,482.71
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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.