Finding the Fourth Proportional to 159,312.26, 238,898.28 and 84,415.14
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Solution
The fourth proportional to 159,312.26, 238,898.28 and 84,415.14 is: 126,585.56
Step by Step Solution
- Step 1: Write the proportion equation
159,312.26 : 238,898.28 = 84,415.14 : x - Step 2: Convert to fraction form
159,312.26/238,898.28 = 84,415.14/x - Step 3: Cross multiply
159,312.26x = 238,898.28 × 84,415.14 - Step 4: Simplify right side
159,312.26x = 20,166,631,751.96 - Step 5: Solve for x
x = 20,166,631,751.96/159,312.26 - Step 6: Final answer
x = 126,585.56
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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.