Finding the Fourth Proportional to 178,344.32, 246,146.37 and 135,465.75
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Solution
The fourth proportional to 178,344.32, 246,146.37 and 135,465.75 is: 186,966.45
Step by Step Solution
- Step 1: Write the proportion equation
178,344.32 : 246,146.37 = 135,465.75 : x - Step 2: Convert to fraction form
178,344.32/246,146.37 = 135,465.75/x - Step 3: Cross multiply
178,344.32x = 246,146.37 × 135,465.75 - Step 4: Simplify right side
178,344.32x = 33,344,402,621.83 - Step 5: Solve for x
x = 33,344,402,621.83/178,344.32 - Step 6: Final answer
x = 186,966.45
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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.