Finding the Fourth Proportional to 247,612.86, 340,940.63 and 193,384.08
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Solution
The fourth proportional to 247,612.86, 340,940.63 and 193,384.08 is: 266,272.48
Step by Step Solution
- Step 1: Write the proportion equation
247,612.86 : 340,940.63 = 193,384.08 : x - Step 2: Convert to fraction form
247,612.86/340,940.63 = 193,384.08/x - Step 3: Cross multiply
247,612.86x = 340,940.63 × 193,384.08 - Step 4: Simplify right side
247,612.86x = 65,932,490,550.63 - Step 5: Solve for x
x = 65,932,490,550.63/247,612.86 - Step 6: Final answer
x = 266,272.48
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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.