Finding the Fourth Proportional to 247,405.12, 370,479.64 and 207,318.76
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Solution
The fourth proportional to 247,405.12, 370,479.64 and 207,318.76 is: 310,451.86
Step by Step Solution
- Step 1: Write the proportion equation
247,405.12 : 370,479.64 = 207,318.76 : x - Step 2: Convert to fraction form
247,405.12/370,479.64 = 207,318.76/x - Step 3: Cross multiply
247,405.12x = 370,479.64 × 207,318.76 - Step 4: Simplify right side
247,405.12x = 76,807,379,570.05 - Step 5: Solve for x
x = 76,807,379,570.05/247,405.12 - Step 6: Final answer
x = 310,451.86
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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.