Finding the Fourth Proportional to 243,390.24, 365,119.98 and 74,924.62
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Solution
The fourth proportional to 243,390.24, 365,119.98 and 74,924.62 is: 112,397.59
Step by Step Solution
- Step 1: Write the proportion equation
243,390.24 : 365,119.98 = 74,924.62 : x - Step 2: Convert to fraction form
243,390.24/365,119.98 = 74,924.62/x - Step 3: Cross multiply
243,390.24x = 365,119.98 × 74,924.62 - Step 4: Simplify right side
243,390.24x = 27,356,475,755.91 - Step 5: Solve for x
x = 27,356,475,755.91/243,390.24 - Step 6: Final answer
x = 112,397.59
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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.