Finding the Fourth Proportional to 354,564.80, 531,403.68 and 177,121.52
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Solution
The fourth proportional to 354,564.80, 531,403.68 and 177,121.52 is: 265,460.72
Step by Step Solution
- Step 1: Write the proportion equation
354,564.80 : 531,403.68 = 177,121.52 : x - Step 2: Convert to fraction form
354,564.80/531,403.68 = 177,121.52/x - Step 3: Cross multiply
354,564.80x = 531,403.68 × 177,121.52 - Step 4: Simplify right side
354,564.80x = 94,123,027,535.19 - Step 5: Solve for x
x = 94,123,027,535.19/354,564.80 - Step 6: Final answer
x = 265,460.72
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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.