Finding the Fourth Proportional to 115,373.08, 159,214.98 and 65,072.08
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Solution
The fourth proportional to 115,373.08, 159,214.98 and 65,072.08 is: 89,799.54
Step by Step Solution
- Step 1: Write the proportion equation
115,373.08 : 159,214.98 = 65,072.08 : x - Step 2: Convert to fraction form
115,373.08/159,214.98 = 65,072.08/x - Step 3: Cross multiply
115,373.08x = 159,214.98 × 65,072.08 - Step 4: Simplify right side
115,373.08x = 10,360,449,915.76 - Step 5: Solve for x
x = 10,360,449,915.76/115,373.08 - Step 6: Final answer
x = 89,799.54
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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.