Finding the Fourth Proportional to 247,276.80, 370,477.80 and 212,284.80
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Solution
The fourth proportional to 247,276.80, 370,477.80 and 212,284.80 is: 318,051.70
Step by Step Solution
- Step 1: Write the proportion equation
247,276.80 : 370,477.80 = 212,284.80 : x - Step 2: Convert to fraction form
247,276.80/370,477.80 = 212,284.80/x - Step 3: Cross multiply
247,276.80x = 370,477.80 × 212,284.80 - Step 4: Simplify right side
247,276.80x = 78,646,805,677.44 - Step 5: Solve for x
x = 78,646,805,677.44/247,276.80 - Step 6: Final answer
x = 318,051.70
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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.