Finding the Fourth Proportional to 90,871.99, 136,297.15 and 24,317.26
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Solution
The fourth proportional to 90,871.99, 136,297.15 and 24,317.26 is: 36,472.99
Step by Step Solution
- Step 1: Write the proportion equation
90,871.99 : 136,297.15 = 24,317.26 : x - Step 2: Convert to fraction form
90,871.99/136,297.15 = 24,317.26/x - Step 3: Cross multiply
90,871.99x = 136,297.15 × 24,317.26 - Step 4: Simplify right side
90,871.99x = 3,314,373,233.81 - Step 5: Solve for x
x = 3,314,373,233.81/90,871.99 - Step 6: Final answer
x = 36,472.99
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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.