Finding the Fourth Proportional to 197,774.08, 296,541.48 and 77,687.26
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Solution
The fourth proportional to 197,774.08, 296,541.48 and 77,687.26 is: 116,483.89
Step by Step Solution
- Step 1: Write the proportion equation
197,774.08 : 296,541.48 = 77,687.26 : x - Step 2: Convert to fraction form
197,774.08/296,541.48 = 77,687.26/x - Step 3: Cross multiply
197,774.08x = 296,541.48 × 77,687.26 - Step 4: Simplify right side
197,774.08x = 23,037,495,057.54 - Step 5: Solve for x
x = 23,037,495,057.54/197,774.08 - Step 6: Final answer
x = 116,483.89
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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.