Finding the Fourth Proportional to 338,819.93, 508,066.41 and 196,700.99
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Solution
The fourth proportional to 338,819.93, 508,066.41 and 196,700.99 is: 294,956.57
Step by Step Solution
- Step 1: Write the proportion equation
338,819.93 : 508,066.41 = 196,700.99 : x - Step 2: Convert to fraction form
338,819.93/508,066.41 = 196,700.99/x - Step 3: Cross multiply
338,819.93x = 508,066.41 × 196,700.99 - Step 4: Simplify right side
338,819.93x = 99,937,165,832.75 - Step 5: Solve for x
x = 99,937,165,832.75/338,819.93 - Step 6: Final answer
x = 294,956.57
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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.