Finding the Fourth Proportional to 302,000.64, 452,989.44 and 91,630.08
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Solution
The fourth proportional to 302,000.64, 452,989.44 and 91,630.08 is: 137,441.62
Step by Step Solution
- Step 1: Write the proportion equation
302,000.64 : 452,989.44 = 91,630.08 : x - Step 2: Convert to fraction form
302,000.64/452,989.44 = 91,630.08/x - Step 3: Cross multiply
302,000.64x = 452,989.44 × 91,630.08 - Step 4: Simplify right side
302,000.64x = 41,507,458,626.36 - Step 5: Solve for x
x = 41,507,458,626.36/302,000.64 - Step 6: Final answer
x = 137,441.62
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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.