Finding the Fourth Proportional to 354,663.78, 531,724.86 and 177,298.08
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Solution
The fourth proportional to 354,663.78, 531,724.86 and 177,298.08 is: 265,811.74
Step by Step Solution
- Step 1: Write the proportion equation
354,663.78 : 531,724.86 = 177,298.08 : x - Step 2: Convert to fraction form
354,663.78/531,724.86 = 177,298.08/x - Step 3: Cross multiply
354,663.78x = 531,724.86 × 177,298.08 - Step 4: Simplify right side
354,663.78x = 94,273,796,766.27 - Step 5: Solve for x
x = 94,273,796,766.27/354,663.78 - Step 6: Final answer
x = 265,811.74
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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.