Finding the Fourth Proportional to 115,483.75, 159,368.06 and 62,491.75
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Solution
The fourth proportional to 115,483.75, 159,368.06 and 62,491.75 is: 86,238.88
Step by Step Solution
- Step 1: Write the proportion equation
115,483.75 : 159,368.06 = 62,491.75 : x - Step 2: Convert to fraction form
115,483.75/159,368.06 = 62,491.75/x - Step 3: Cross multiply
115,483.75x = 159,368.06 × 62,491.75 - Step 4: Simplify right side
115,483.75x = 9,959,188,963.51 - Step 5: Solve for x
x = 9,959,188,963.51/115,483.75 - Step 6: Final answer
x = 86,238.88
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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.