Finding the Fourth Proportional to 149,790.12, 224,708.22 and 56,302.44
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Solution
The fourth proportional to 149,790.12, 224,708.22 and 56,302.44 is: 84,462.32
Step by Step Solution
- Step 1: Write the proportion equation
149,790.12 : 224,708.22 = 56,302.44 : x - Step 2: Convert to fraction form
149,790.12/224,708.22 = 56,302.44/x - Step 3: Cross multiply
149,790.12x = 224,708.22 × 56,302.44 - Step 4: Simplify right side
149,790.12x = 12,651,621,074.06 - Step 5: Solve for x
x = 12,651,621,074.06/149,790.12 - Step 6: Final answer
x = 84,462.32
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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.