Finding the Fourth Proportional to 276,407.19, 381,251.07 and 169,030.06
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Solution
The fourth proportional to 276,407.19, 381,251.07 and 169,030.06 is: 233,144.77
Step by Step Solution
- Step 1: Write the proportion equation
276,407.19 : 381,251.07 = 169,030.06 : x - Step 2: Convert to fraction form
276,407.19/381,251.07 = 169,030.06/x - Step 3: Cross multiply
276,407.19x = 381,251.07 × 169,030.06 - Step 4: Simplify right side
276,407.19x = 64,442,890,284.04 - Step 5: Solve for x
x = 64,442,890,284.04/276,407.19 - Step 6: Final answer
x = 233,144.77
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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.