Finding the Fourth Proportional to 276,298.14, 381,275.84 and 155,444.52
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Solution
The fourth proportional to 276,298.14, 381,275.84 and 155,444.52 is: 214,504.66
Step by Step Solution
- Step 1: Write the proportion equation
276,298.14 : 381,275.84 = 155,444.52 : x - Step 2: Convert to fraction form
276,298.14/381,275.84 = 155,444.52/x - Step 3: Cross multiply
276,298.14x = 381,275.84 × 155,444.52 - Step 4: Simplify right side
276,298.14x = 59,267,239,936.40 - Step 5: Solve for x
x = 59,267,239,936.40/276,298.14 - Step 6: Final answer
x = 214,504.66
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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.