Finding the Fourth Proportional to 312,197.76, 468,384.12 and 125,340.48
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Solution
The fourth proportional to 312,197.76, 468,384.12 and 125,340.48 is: 188,045.84
Step by Step Solution
- Step 1: Write the proportion equation
312,197.76 : 468,384.12 = 125,340.48 : x - Step 2: Convert to fraction form
312,197.76/468,384.12 = 125,340.48/x - Step 3: Cross multiply
312,197.76x = 468,384.12 × 125,340.48 - Step 4: Simplify right side
312,197.76x = 58,707,490,425.18 - Step 5: Solve for x
x = 58,707,490,425.18/312,197.76 - Step 6: Final answer
x = 188,045.84
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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.