Finding the Fourth Proportional to 178,013.43, 245,658.90 and 97,446.10
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Solution
The fourth proportional to 178,013.43, 245,658.90 and 97,446.10 is: 134,475.82
Step by Step Solution
- Step 1: Write the proportion equation
178,013.43 : 245,658.90 = 97,446.10 : x - Step 2: Convert to fraction form
178,013.43/245,658.90 = 97,446.10/x - Step 3: Cross multiply
178,013.43x = 245,658.90 × 97,446.10 - Step 4: Simplify right side
178,013.43x = 23,938,501,735.29 - Step 5: Solve for x
x = 23,938,501,735.29/178,013.43 - Step 6: Final answer
x = 134,475.82
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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.