Finding the Fourth Proportional to 276,432.18, 381,594.11 and 185,840.69
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Solution
The fourth proportional to 276,432.18, 381,594.11 and 185,840.69 is: 256,539.28
Step by Step Solution
- Step 1: Write the proportion equation
276,432.18 : 381,594.11 = 185,840.69 : x - Step 2: Convert to fraction form
276,432.18/381,594.11 = 185,840.69/x - Step 3: Cross multiply
276,432.18x = 381,594.11 × 185,840.69 - Step 4: Simplify right side
276,432.18x = 70,915,712,212.95 - Step 5: Solve for x
x = 70,915,712,212.95/276,432.18 - Step 6: Final answer
x = 256,539.28
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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.