Finding the Fourth Proportional to 242,802.55, 364,245.44 and 74,318.70
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Solution
The fourth proportional to 242,802.55, 364,245.44 and 74,318.70 is: 111,490.79
Step by Step Solution
- Step 1: Write the proportion equation
242,802.55 : 364,245.44 = 74,318.70 : x - Step 2: Convert to fraction form
242,802.55/364,245.44 = 74,318.70/x - Step 3: Cross multiply
242,802.55x = 364,245.44 × 74,318.70 - Step 4: Simplify right side
242,802.55x = 27,070,247,581.73 - Step 5: Solve for x
x = 27,070,247,581.73/242,802.55 - Step 6: Final answer
x = 111,490.79
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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.