Finding the Fourth Proportional to 242,762.08, 335,011.70 and 135,329.80
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Solution
The fourth proportional to 242,762.08, 335,011.70 and 135,329.80 is: 186,755.14
Step by Step Solution
- Step 1: Write the proportion equation
242,762.08 : 335,011.70 = 135,329.80 : x - Step 2: Convert to fraction form
242,762.08/335,011.70 = 135,329.80/x - Step 3: Cross multiply
242,762.08x = 335,011.70 × 135,329.80 - Step 4: Simplify right side
242,762.08x = 45,337,066,358.66 - Step 5: Solve for x
x = 45,337,066,358.66/242,762.08 - Step 6: Final answer
x = 186,755.14
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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.