Finding the Fourth Proportional to 161,267.49, 241,838.94 and 76,984.14
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Solution
The fourth proportional to 161,267.49, 241,838.94 and 76,984.14 is: 115,446.47
Step by Step Solution
- Step 1: Write the proportion equation
161,267.49 : 241,838.94 = 76,984.14 : x - Step 2: Convert to fraction form
161,267.49/241,838.94 = 76,984.14/x - Step 3: Cross multiply
161,267.49x = 241,838.94 × 76,984.14 - Step 4: Simplify right side
161,267.49x = 18,617,762,814.41 - Step 5: Solve for x
x = 18,617,762,814.41/161,267.49 - Step 6: Final answer
x = 115,446.47
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1.5x scale
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.