Finding the Fourth Proportional to 97,266.36, 134,338.24 and 65,379.88
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Solution
The fourth proportional to 97,266.36, 134,338.24 and 65,379.88 is: 90,298.62
Step by Step Solution
- Step 1: Write the proportion equation
97,266.36 : 134,338.24 = 65,379.88 : x - Step 2: Convert to fraction form
97,266.36/134,338.24 = 65,379.88/x - Step 3: Cross multiply
97,266.36x = 134,338.24 × 65,379.88 - Step 4: Simplify right side
97,266.36x = 8,783,018,010.61 - Step 5: Solve for x
x = 8,783,018,010.61/97,266.36 - Step 6: Final answer
x = 90,298.62
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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.