Finding the Fourth Proportional to 251,297.76, 346,772.70 and 149,318.76
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Solution
The fourth proportional to 251,297.76, 346,772.70 and 149,318.76 is: 206,049.07
Step by Step Solution
- Step 1: Write the proportion equation
251,297.76 : 346,772.70 = 149,318.76 : x - Step 2: Convert to fraction form
251,297.76/346,772.70 = 149,318.76/x - Step 3: Cross multiply
251,297.76x = 346,772.70 × 149,318.76 - Step 4: Simplify right side
251,297.76x = 51,779,669,565.85 - Step 5: Solve for x
x = 51,779,669,565.85/251,297.76 - Step 6: Final answer
x = 206,049.07
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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.