Finding the Fourth Proportional to 942,107.08, 1,412,948.26 and 268,173.44
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Solution
The fourth proportional to 942,107.08, 1,412,948.26 and 268,173.44 is: 402,199.71
Step by Step Solution
- Step 1: Write the proportion equation
942,107.08 : 1,412,948.26 = 268,173.44 : x - Step 2: Convert to fraction form
942,107.08/1,412,948.26 = 268,173.44/x - Step 3: Cross multiply
942,107.08x = 1,412,948.26 × 268,173.44 - Step 4: Simplify right side
942,107.08x = 378,915,195,426.21 - Step 5: Solve for x
x = 378,915,195,426.21/942,107.08 - Step 6: Final answer
x = 402,199.71
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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.