Finding the Fourth Proportional to 247,297.24, 370,972.79 and 78,777.96
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Solution
The fourth proportional to 247,297.24, 370,972.79 and 78,777.96 is: 118,175.52
Step by Step Solution
- Step 1: Write the proportion equation
247,297.24 : 370,972.79 = 78,777.96 : x - Step 2: Convert to fraction form
247,297.24/370,972.79 = 78,777.96/x - Step 3: Cross multiply
247,297.24x = 370,972.79 × 78,777.96 - Step 4: Simplify right side
247,297.24x = 29,224,479,611.71 - Step 5: Solve for x
x = 29,224,479,611.71/247,297.24 - Step 6: Final answer
x = 118,175.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.