Finding the Fourth Proportional to 115,497.75, 159,386.91 and 62,505.75
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Solution
The fourth proportional to 115,497.75, 159,386.91 and 62,505.75 is: 86,257.94
Step by Step Solution
- Step 1: Write the proportion equation
115,497.75 : 159,386.91 = 62,505.75 : x - Step 2: Convert to fraction form
115,497.75/159,386.91 = 62,505.75/x - Step 3: Cross multiply
115,497.75x = 159,386.91 × 62,505.75 - Step 4: Simplify right side
115,497.75x = 9,962,598,037.20 - Step 5: Solve for x
x = 9,962,598,037.20/115,497.75 - Step 6: Final answer
x = 86,257.94
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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.