Finding the Fourth Proportional to 486,221.04, 729,305.21 and 149,261.76
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Solution
The fourth proportional to 486,221.04, 729,305.21 and 149,261.76 is: 223,884.55
Step by Step Solution
- Step 1: Write the proportion equation
486,221.04 : 729,305.21 = 149,261.76 : x - Step 2: Convert to fraction form
486,221.04/729,305.21 = 149,261.76/x - Step 3: Cross multiply
486,221.04x = 729,305.21 × 149,261.76 - Step 4: Simplify right side
486,221.04x = 108,857,378,475.46 - Step 5: Solve for x
x = 108,857,378,475.46/486,221.04 - Step 6: Final answer
x = 223,884.55
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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.