Finding the Fourth Proportional to 178,003.18, 245,644.94 and 97,435.92
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Solution
The fourth proportional to 178,003.18, 245,644.94 and 97,435.92 is: 134,461.87
Step by Step Solution
- Step 1: Write the proportion equation
178,003.18 : 245,644.94 = 97,435.92 : x - Step 2: Convert to fraction form
178,003.18/245,644.94 = 97,435.92/x - Step 3: Cross multiply
178,003.18x = 245,644.94 × 97,435.92 - Step 4: Simplify right side
178,003.18x = 23,934,640,722.24 - Step 5: Solve for x
x = 23,934,640,722.24/178,003.18 - Step 6: Final answer
x = 134,461.87
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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.