Finding the Fourth Proportional to 247,276.76, 370,911.11 and 78,794.82
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Solution
The fourth proportional to 247,276.76, 370,911.11 and 78,794.82 is: 118,190.95
Step by Step Solution
- Step 1: Write the proportion equation
247,276.76 : 370,911.11 = 78,794.82 : x - Step 2: Convert to fraction form
247,276.76/370,911.11 = 78,794.82/x - Step 3: Cross multiply
247,276.76x = 370,911.11 × 78,794.82 - Step 4: Simplify right side
247,276.76x = 29,225,874,345.44 - Step 5: Solve for x
x = 29,225,874,345.44/247,276.76 - Step 6: Final answer
x = 118,190.95
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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.