Finding the Fourth Proportional to 135,541.12, 203,223.06 and 65,354.08
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Solution
The fourth proportional to 135,541.12, 203,223.06 and 65,354.08 is: 97,988.39
Step by Step Solution
- Step 1: Write the proportion equation
135,541.12 : 203,223.06 = 65,354.08 : x - Step 2: Convert to fraction form
135,541.12/203,223.06 = 65,354.08/x - Step 3: Cross multiply
135,541.12x = 203,223.06 × 65,354.08 - Step 4: Simplify right side
135,541.12x = 13,281,456,121.08 - Step 5: Solve for x
x = 13,281,456,121.08/135,541.12 - Step 6: Final answer
x = 97,988.39
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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.