Finding the Fourth Proportional to 186,916.48, 257,950.56 and 106,355.68
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Solution
The fourth proportional to 186,916.48, 257,950.56 and 106,355.68 is: 146,774.15
Step by Step Solution
- Step 1: Write the proportion equation
186,916.48 : 257,950.56 = 106,355.68 : x - Step 2: Convert to fraction form
186,916.48/257,950.56 = 106,355.68/x - Step 3: Cross multiply
186,916.48x = 257,950.56 × 106,355.68 - Step 4: Simplify right side
186,916.48x = 27,434,507,215.18 - Step 5: Solve for x
x = 27,434,507,215.18/186,916.48 - Step 6: Final answer
x = 146,774.15
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1.5x scale
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.