Finding the Fourth Proportional to 268,021.00, 369,866.42 and 147,161.23
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Solution
The fourth proportional to 268,021.00, 369,866.42 and 147,161.23 is: 203,081.09
Step by Step Solution
- Step 1: Write the proportion equation
268,021.00 : 369,866.42 = 147,161.23 : x - Step 2: Convert to fraction form
268,021.00/369,866.42 = 147,161.23/x - Step 3: Cross multiply
268,021.00x = 369,866.42 × 147,161.23 - Step 4: Simplify right side
268,021.00x = 54,429,996,746.13 - Step 5: Solve for x
x = 54,429,996,746.13/268,021.00 - Step 6: Final answer
x = 203,081.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.