Finding the Fourth Proportional to 276,497.84, 381,567.11 and 161,798.54
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Solution
The fourth proportional to 276,497.84, 381,567.11 and 161,798.54 is: 223,282.03
Step by Step Solution
- Step 1: Write the proportion equation
276,497.84 : 381,567.11 = 161,798.54 : x - Step 2: Convert to fraction form
276,497.84/381,567.11 = 161,798.54/x - Step 3: Cross multiply
276,497.84x = 381,567.11 × 161,798.54 - Step 4: Simplify right side
276,497.84x = 61,736,999,806.68 - Step 5: Solve for x
x = 61,736,999,806.68/276,497.84 - Step 6: Final answer
x = 223,282.03
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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.