Finding the Fourth Proportional to 178,998.55, 246,956.53 and 110,991.05
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Solution
The fourth proportional to 178,998.55, 246,956.53 and 110,991.05 is: 153,129.53
Step by Step Solution
- Step 1: Write the proportion equation
178,998.55 : 246,956.53 = 110,991.05 : x - Step 2: Convert to fraction form
178,998.55/246,956.53 = 110,991.05/x - Step 3: Cross multiply
178,998.55x = 246,956.53 × 110,991.05 - Step 4: Simplify right side
178,998.55x = 27,409,964,569.06 - Step 5: Solve for x
x = 27,409,964,569.06/178,998.55 - Step 6: Final answer
x = 153,129.53
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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.