Finding the Fourth Proportional to 242,907.42, 335,212.83 and 135,484.41
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Solution
The fourth proportional to 242,907.42, 335,212.83 and 135,484.41 is: 186,968.82
Step by Step Solution
- Step 1: Write the proportion equation
242,907.42 : 335,212.83 = 135,484.41 : x - Step 2: Convert to fraction form
242,907.42/335,212.83 = 135,484.41/x - Step 3: Cross multiply
242,907.42x = 335,212.83 × 135,484.41 - Step 4: Simplify right side
242,907.42x = 45,416,112,496.98 - Step 5: Solve for x
x = 45,416,112,496.98/242,907.42 - Step 6: Final answer
x = 186,968.82
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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.