Finding the Fourth Proportional to 178,374.14, 246,025.91 and 113,887.71
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Solution
The fourth proportional to 178,374.14, 246,025.91 and 113,887.71 is: 157,081.78
Step by Step Solution
- Step 1: Write the proportion equation
178,374.14 : 246,025.91 = 113,887.71 : x - Step 2: Convert to fraction form
178,374.14/246,025.91 = 113,887.71/x - Step 3: Cross multiply
178,374.14x = 246,025.91 × 113,887.71 - Step 4: Simplify right side
178,374.14x = 28,019,326,921.13 - Step 5: Solve for x
x = 28,019,326,921.13/178,374.14 - Step 6: Final answer
x = 157,081.78
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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.