Finding the Fourth Proportional to 276,972.92, 415,646.08 and 97,059.96
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Solution
The fourth proportional to 276,972.92, 415,646.08 and 97,059.96 is: 145,655.37
Step by Step Solution
- Step 1: Write the proportion equation
276,972.92 : 415,646.08 = 97,059.96 : x - Step 2: Convert to fraction form
276,972.92/415,646.08 = 97,059.96/x - Step 3: Cross multiply
276,972.92x = 415,646.08 × 97,059.96 - Step 4: Simplify right side
276,972.92x = 40,342,591,898.96 - Step 5: Solve for x
x = 40,342,591,898.96/276,972.92 - Step 6: Final answer
x = 145,655.37
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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.