Finding the Fourth Proportional to 178,129.31, 245,818.44 and 97,557.02
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Solution
The fourth proportional to 178,129.31, 245,818.44 and 97,557.02 is: 134,628.68
Step by Step Solution
- Step 1: Write the proportion equation
178,129.31 : 245,818.44 = 97,557.02 : x - Step 2: Convert to fraction form
178,129.31/245,818.44 = 97,557.02/x - Step 3: Cross multiply
178,129.31x = 245,818.44 × 97,557.02 - Step 4: Simplify right side
178,129.31x = 23,981,314,467.45 - Step 5: Solve for x
x = 23,981,314,467.45/178,129.31 - Step 6: Final answer
x = 134,628.68
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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.