Finding the Fourth Proportional to 235,298.31, 352,991.21 and 77,532.99
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Solution
The fourth proportional to 235,298.31, 352,991.21 and 77,532.99 is: 116,313.90
Step by Step Solution
- Step 1: Write the proportion equation
235,298.31 : 352,991.21 = 77,532.99 : x - Step 2: Convert to fraction form
235,298.31/352,991.21 = 77,532.99/x - Step 3: Cross multiply
235,298.31x = 352,991.21 × 77,532.99 - Step 4: Simplify right side
235,298.31x = 27,368,463,567.35 - Step 5: Solve for x
x = 27,368,463,567.35/235,298.31 - Step 6: Final answer
x = 116,313.90
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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.