Finding the Fourth Proportional to 603,036.19, 904,362.44 and 198,135.06
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Solution
The fourth proportional to 603,036.19, 904,362.44 and 198,135.06 is: 297,139.56
Step by Step Solution
- Step 1: Write the proportion equation
603,036.19 : 904,362.44 = 198,135.06 : x - Step 2: Convert to fraction form
603,036.19/904,362.44 = 198,135.06/x - Step 3: Cross multiply
603,036.19x = 904,362.44 × 198,135.06 - Step 4: Simplify right side
603,036.19x = 179,185,908,687.92 - Step 5: Solve for x
x = 179,185,908,687.92/603,036.19 - Step 6: Final answer
x = 297,139.56
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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.