Finding the Fourth Proportional to 212,296.95, 318,018.02 and 98,284.05
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Solution
The fourth proportional to 212,296.95, 318,018.02 and 98,284.05 is: 147,228.20
Step by Step Solution
- Step 1: Write the proportion equation
212,296.95 : 318,018.02 = 98,284.05 : x - Step 2: Convert to fraction form
212,296.95/318,018.02 = 98,284.05/x - Step 3: Cross multiply
212,296.95x = 318,018.02 × 98,284.05 - Step 4: Simplify right side
212,296.95x = 31,256,098,487.16 - Step 5: Solve for x
x = 31,256,098,487.16/212,296.95 - Step 6: Final answer
x = 147,228.20
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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.