Finding the Fourth Proportional to 155,214.57, 232,984.74 and 137,558.19
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Solution
The fourth proportional to 155,214.57, 232,984.74 and 137,558.19 is: 206,481.64
Step by Step Solution
- Step 1: Write the proportion equation
155,214.57 : 232,984.74 = 137,558.19 : x - Step 2: Convert to fraction form
155,214.57/232,984.74 = 137,558.19/x - Step 3: Cross multiply
155,214.57x = 232,984.74 × 137,558.19 - Step 4: Simplify right side
155,214.57x = 32,048,959,132.02 - Step 5: Solve for x
x = 32,048,959,132.02/155,214.57 - Step 6: Final answer
x = 206,481.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.