Finding the Fourth Proportional to 208,909.04, 313,297.08 and 68,635.28
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Solution
The fourth proportional to 208,909.04, 313,297.08 and 68,635.28 is: 102,931.08
Step by Step Solution
- Step 1: Write the proportion equation
208,909.04 : 313,297.08 = 68,635.28 : x - Step 2: Convert to fraction form
208,909.04/313,297.08 = 68,635.28/x - Step 3: Cross multiply
208,909.04x = 313,297.08 × 68,635.28 - Step 4: Simplify right side
208,909.04x = 21,503,232,808.98 - Step 5: Solve for x
x = 21,503,232,808.98/208,909.04 - Step 6: Final answer
x = 102,931.08
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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.