Finding the Fourth Proportional to 250,974.68, 346,351.07 and 136,258.15
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Solution
The fourth proportional to 250,974.68, 346,351.07 and 136,258.15 is: 188,039.50
Step by Step Solution
- Step 1: Write the proportion equation
250,974.68 : 346,351.07 = 136,258.15 : x - Step 2: Convert to fraction form
250,974.68/346,351.07 = 136,258.15/x - Step 3: Cross multiply
250,974.68x = 346,351.07 × 136,258.15 - Step 4: Simplify right side
250,974.68x = 47,193,153,635.67 - Step 5: Solve for x
x = 47,193,153,635.67/250,974.68 - Step 6: Final answer
x = 188,039.50
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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.