Finding the Fourth Proportional to 214,830.36, 296,457.66 and 119,343.06
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Solution
The fourth proportional to 214,830.36, 296,457.66 and 119,343.06 is: 164,688.85
Step by Step Solution
- Step 1: Write the proportion equation
214,830.36 : 296,457.66 = 119,343.06 : x - Step 2: Convert to fraction form
214,830.36/296,457.66 = 119,343.06/x - Step 3: Cross multiply
214,830.36x = 296,457.66 × 119,343.06 - Step 4: Simplify right side
214,830.36x = 35,380,164,304.84 - Step 5: Solve for x
x = 35,380,164,304.84/214,830.36 - Step 6: Final answer
x = 164,688.85
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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.