Finding the Fourth Proportional to 276,340.88, 381,342.12 and 155,488.88
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Solution
The fourth proportional to 276,340.88, 381,342.12 and 155,488.88 is: 214,569.99
Step by Step Solution
- Step 1: Write the proportion equation
276,340.88 : 381,342.12 = 155,488.88 : x - Step 2: Convert to fraction form
276,340.88/381,342.12 = 155,488.88/x - Step 3: Cross multiply
276,340.88x = 381,342.12 × 155,488.88 - Step 4: Simplify right side
276,340.88x = 59,294,459,135.63 - Step 5: Solve for x
x = 59,294,459,135.63/276,340.88 - Step 6: Final answer
x = 214,569.99
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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.