Finding the Fourth Proportional to 329,641.68, 454,906.08 and 178,738.68
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Solution
The fourth proportional to 329,641.68, 454,906.08 and 178,738.68 is: 246,659.68
Step by Step Solution
- Step 1: Write the proportion equation
329,641.68 : 454,906.08 = 178,738.68 : x - Step 2: Convert to fraction form
329,641.68/454,906.08 = 178,738.68/x - Step 3: Cross multiply
329,641.68x = 454,906.08 × 178,738.68 - Step 4: Simplify right side
329,641.68x = 81,309,312,263.17 - Step 5: Solve for x
x = 81,309,312,263.17/329,641.68 - Step 6: Final answer
x = 246,659.68
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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.