Finding the Fourth Proportional to 329,784.08, 455,102.82 and 178,881.08
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Solution
The fourth proportional to 329,784.08, 455,102.82 and 178,881.08 is: 246,856.32
Step by Step Solution
- Step 1: Write the proportion equation
329,784.08 : 455,102.82 = 178,881.08 : x - Step 2: Convert to fraction form
329,784.08/455,102.82 = 178,881.08/x - Step 3: Cross multiply
329,784.08x = 455,102.82 × 178,881.08 - Step 4: Simplify right side
329,784.08x = 81,409,283,952.65 - Step 5: Solve for x
x = 81,409,283,952.65/329,784.08 - Step 6: Final answer
x = 246,856.32
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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.