Finding the Fourth Proportional to 186,828.36, 257,828.82 and 106,267.48
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Solution
The fourth proportional to 186,828.36, 257,828.82 and 106,267.48 is: 146,652.35
Step by Step Solution
- Step 1: Write the proportion equation
186,828.36 : 257,828.82 = 106,267.48 : x - Step 2: Convert to fraction form
186,828.36/257,828.82 = 106,267.48/x - Step 3: Cross multiply
186,828.36x = 257,828.82 × 106,267.48 - Step 4: Simplify right side
186,828.36x = 27,398,818,972.77 - Step 5: Solve for x
x = 27,398,818,972.77/186,828.36 - Step 6: Final answer
x = 146,652.35
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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.