Finding the Fourth Proportional to 242,700.99, 364,215.51 and 84,930.81
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Solution
The fourth proportional to 242,700.99, 364,215.51 and 84,930.81 is: 127,453.62
Step by Step Solution
- Step 1: Write the proportion equation
242,700.99 : 364,215.51 = 84,930.81 : x - Step 2: Convert to fraction form
242,700.99/364,215.51 = 84,930.81/x - Step 3: Cross multiply
242,700.99x = 364,215.51 × 84,930.81 - Step 4: Simplify right side
242,700.99x = 30,933,119,200.64 - Step 5: Solve for x
x = 30,933,119,200.64/242,700.99 - Step 6: Final answer
x = 127,453.62
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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.