Finding the Fourth Proportional to 243,406.22, 335,903.36 and 134,510.09
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Solution
The fourth proportional to 243,406.22, 335,903.36 and 134,510.09 is: 185,625.45
Step by Step Solution
- Step 1: Write the proportion equation
243,406.22 : 335,903.36 = 134,510.09 : x - Step 2: Convert to fraction form
243,406.22/335,903.36 = 134,510.09/x - Step 3: Cross multiply
243,406.22x = 335,903.36 × 134,510.09 - Step 4: Simplify right side
243,406.22x = 45,182,388,832.84 - Step 5: Solve for x
x = 45,182,388,832.84/243,406.22 - Step 6: Final answer
x = 185,625.45
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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.