Finding the Fourth Proportional to 135,040.98, 202,605.21 and 64,911.18
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Solution
The fourth proportional to 135,040.98, 202,605.21 and 64,911.18 is: 97,387.79
Step by Step Solution
- Step 1: Write the proportion equation
135,040.98 : 202,605.21 = 64,911.18 : x - Step 2: Convert to fraction form
135,040.98/202,605.21 = 64,911.18/x - Step 3: Cross multiply
135,040.98x = 202,605.21 × 64,911.18 - Step 4: Simplify right side
135,040.98x = 13,151,343,255.25 - Step 5: Solve for x
x = 13,151,343,255.25/135,040.98 - Step 6: Final answer
x = 97,387.79
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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.