Finding the Fourth Proportional to 312,432.76, 468,552.21 and 112,727.26
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Solution
The fourth proportional to 312,432.76, 468,552.21 and 112,727.26 is: 169,055.92
Step by Step Solution
- Step 1: Write the proportion equation
312,432.76 : 468,552.21 = 112,727.26 : x - Step 2: Convert to fraction form
312,432.76/468,552.21 = 112,727.26/x - Step 3: Cross multiply
312,432.76x = 468,552.21 × 112,727.26 - Step 4: Simplify right side
312,432.76x = 52,818,606,800.24 - Step 5: Solve for x
x = 52,818,606,800.24/312,432.76 - Step 6: Final answer
x = 169,055.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.