Finding the Fourth Proportional to 615,455.70, 922,405.95 and 299,231.70
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Solution
The fourth proportional to 615,455.70, 922,405.95 and 299,231.70 is: 448,469.48
Step by Step Solution
- Step 1: Write the proportion equation
615,455.70 : 922,405.95 = 299,231.70 : x - Step 2: Convert to fraction form
615,455.70/922,405.95 = 299,231.70/x - Step 3: Cross multiply
615,455.70x = 922,405.95 × 299,231.70 - Step 4: Simplify right side
615,455.70x = 276,013,100,508.62 - Step 5: Solve for x
x = 276,013,100,508.62/615,455.70 - Step 6: Final answer
x = 448,469.48
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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.