Finding the Fourth Proportional to 102,316.28, 141,163.98 and 57,595.64
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Solution
The fourth proportional to 102,316.28, 141,163.98 and 57,595.64 is: 79,463.70
Step by Step Solution
- Step 1: Write the proportion equation
102,316.28 : 141,163.98 = 57,595.64 : x - Step 2: Convert to fraction form
102,316.28/141,163.98 = 57,595.64/x - Step 3: Cross multiply
102,316.28x = 141,163.98 × 57,595.64 - Step 4: Simplify right side
102,316.28x = 8,130,429,773.05 - Step 5: Solve for x
x = 8,130,429,773.05/102,316.28 - Step 6: Final answer
x = 79,463.70
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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.