Finding the Fourth Proportional to 178,439.29, 246,117.12 and 151,539.19
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Solution
The fourth proportional to 178,439.29, 246,117.12 and 151,539.19 is: 209,014.44
Step by Step Solution
- Step 1: Write the proportion equation
178,439.29 : 246,117.12 = 151,539.19 : x - Step 2: Convert to fraction form
178,439.29/246,117.12 = 151,539.19/x - Step 3: Cross multiply
178,439.29x = 246,117.12 × 151,539.19 - Step 4: Simplify right side
178,439.29x = 37,296,387,826.37 - Step 5: Solve for x
x = 37,296,387,826.37/178,439.29 - Step 6: Final answer
x = 209,014.44
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1.5x scale
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.