Finding the Fourth Proportional to 178,489.60, 246,317.53 and 97,917.28
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Solution
The fourth proportional to 178,489.60, 246,317.53 and 97,917.28 is: 135,126.88
Step by Step Solution
- Step 1: Write the proportion equation
178,489.60 : 246,317.53 = 97,917.28 : x - Step 2: Convert to fraction form
178,489.60/246,317.53 = 97,917.28/x - Step 3: Cross multiply
178,489.60x = 246,317.53 × 97,917.28 - Step 4: Simplify right side
178,489.60x = 24,118,742,553.92 - Step 5: Solve for x
x = 24,118,742,553.92/178,489.60 - Step 6: Final answer
x = 135,126.88
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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.