Finding the Fourth Proportional to 669,502.64, 1,004,262.24 and 196,197.68
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Solution
The fourth proportional to 669,502.64, 1,004,262.24 and 196,197.68 is: 294,298.95
Step by Step Solution
- Step 1: Write the proportion equation
669,502.64 : 1,004,262.24 = 196,197.68 : x - Step 2: Convert to fraction form
669,502.64/1,004,262.24 = 196,197.68/x - Step 3: Cross multiply
669,502.64x = 1,004,262.24 × 196,197.68 - Step 4: Simplify right side
669,502.64x = 197,033,921,599.60 - Step 5: Solve for x
x = 197,033,921,599.60/669,502.64 - Step 6: Final answer
x = 294,298.95
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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.