Finding the Fourth Proportional to 486,313.70, 729,124.95 and 220,201.70
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Solution
The fourth proportional to 486,313.70, 729,124.95 and 220,201.70 is: 330,146.06
Step by Step Solution
- Step 1: Write the proportion equation
486,313.70 : 729,124.95 = 220,201.70 : x - Step 2: Convert to fraction form
486,313.70/729,124.95 = 220,201.70/x - Step 3: Cross multiply
486,313.70x = 729,124.95 × 220,201.70 - Step 4: Simplify right side
486,313.70x = 160,554,553,502.42 - Step 5: Solve for x
x = 160,554,553,502.42/486,313.70 - Step 6: Final answer
x = 330,146.06
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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.