Finding the Fourth Proportional to 246,886.95, 340,724.97 and 139,476.70
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Solution
The fourth proportional to 246,886.95, 340,724.97 and 139,476.70 is: 192,489.70
Step by Step Solution
- Step 1: Write the proportion equation
246,886.95 : 340,724.97 = 139,476.70 : x - Step 2: Convert to fraction form
246,886.95/340,724.97 = 139,476.70/x - Step 3: Cross multiply
246,886.95x = 340,724.97 × 139,476.70 - Step 4: Simplify right side
246,886.95x = 47,523,194,423.20 - Step 5: Solve for x
x = 47,523,194,423.20/246,886.95 - Step 6: Final answer
x = 192,489.70
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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.