Finding the Fourth Proportional to 239,597.23, 330,750.45 and 154,755.67
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Solution
The fourth proportional to 239,597.23, 330,750.45 and 154,755.67 is: 213,631.47
Step by Step Solution
- Step 1: Write the proportion equation
239,597.23 : 330,750.45 = 154,755.67 : x - Step 2: Convert to fraction form
239,597.23/330,750.45 = 154,755.67/x - Step 3: Cross multiply
239,597.23x = 330,750.45 × 154,755.67 - Step 4: Simplify right side
239,597.23x = 51,185,507,492.55 - Step 5: Solve for x
x = 51,185,507,492.55/239,597.23 - Step 6: Final answer
x = 213,631.47
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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.