Finding the Fourth Proportional to 242,958.36, 335,283.03 and 135,525.63
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Solution
The fourth proportional to 242,958.36, 335,283.03 and 135,525.63 is: 187,025.64
Step by Step Solution
- Step 1: Write the proportion equation
242,958.36 : 335,283.03 = 135,525.63 : x - Step 2: Convert to fraction form
242,958.36/335,283.03 = 135,525.63/x - Step 3: Cross multiply
242,958.36x = 335,283.03 × 135,525.63 - Step 4: Simplify right side
242,958.36x = 45,439,443,869.06 - Step 5: Solve for x
x = 45,439,443,869.06/242,958.36 - Step 6: Final answer
x = 187,025.64
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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.