Finding the Fourth Proportional to 329,775.16, 455,516.84 and 243,908.68
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Solution
The fourth proportional to 329,775.16, 455,516.84 and 243,908.68 is: 336,909.88
Step by Step Solution
- Step 1: Write the proportion equation
329,775.16 : 455,516.84 = 243,908.68 : x - Step 2: Convert to fraction form
329,775.16/455,516.84 = 243,908.68/x - Step 3: Cross multiply
329,775.16x = 455,516.84 × 243,908.68 - Step 4: Simplify right side
329,775.16x = 111,104,511,162.17 - Step 5: Solve for x
x = 111,104,511,162.17/329,775.16 - Step 6: Final answer
x = 336,909.88
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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.