Finding the Fourth Proportional to 477,379.28, 716,068.88 and 227,303.12
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Solution
The fourth proportional to 477,379.28, 716,068.88 and 227,303.12 is: 340,954.66
Step by Step Solution
- Step 1: Write the proportion equation
477,379.28 : 716,068.88 = 227,303.12 : x - Step 2: Convert to fraction form
477,379.28/716,068.88 = 227,303.12/x - Step 3: Cross multiply
477,379.28x = 716,068.88 × 227,303.12 - Step 4: Simplify right side
477,379.28x = 162,764,690,558.91 - Step 5: Solve for x
x = 162,764,690,558.91/477,379.28 - Step 6: Final answer
x = 340,954.66
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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.