Finding the Fourth Proportional to 276,258.74, 414,347.09 and 76,558.31
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Solution
The fourth proportional to 276,258.74, 414,347.09 and 76,558.31 is: 114,826.09
Step by Step Solution
- Step 1: Write the proportion equation
276,258.74 : 414,347.09 = 76,558.31 : x - Step 2: Convert to fraction form
276,258.74/414,347.09 = 76,558.31/x - Step 3: Cross multiply
276,258.74x = 414,347.09 × 76,558.31 - Step 4: Simplify right side
276,258.74x = 31,721,710,509.29 - Step 5: Solve for x
x = 31,721,710,509.29/276,258.74 - Step 6: Final answer
x = 114,826.09
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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.