Finding the Fourth Proportional to 134,580.20, 202,307.70 and 115,334.60
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Solution
The fourth proportional to 134,580.20, 202,307.70 and 115,334.60 is: 173,376.75
Step by Step Solution
- Step 1: Write the proportion equation
134,580.20 : 202,307.70 = 115,334.60 : x - Step 2: Convert to fraction form
134,580.20/202,307.70 = 115,334.60/x - Step 3: Cross multiply
134,580.20x = 202,307.70 × 115,334.60 - Step 4: Simplify right side
134,580.20x = 23,333,077,656.42 - Step 5: Solve for x
x = 23,333,077,656.42/134,580.20 - Step 6: Final answer
x = 173,376.75
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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.