Finding the Fourth Proportional to 297,438.30, 445,246.20 and 163,909.80
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Solution
The fourth proportional to 297,438.30, 445,246.20 and 163,909.80 is: 245,362.54
Step by Step Solution
- Step 1: Write the proportion equation
297,438.30 : 445,246.20 = 163,909.80 : x - Step 2: Convert to fraction form
297,438.30/445,246.20 = 163,909.80/x - Step 3: Cross multiply
297,438.30x = 445,246.20 × 163,909.80 - Step 4: Simplify right side
297,438.30x = 72,980,215,592.76 - Step 5: Solve for x
x = 72,980,215,592.76/297,438.30 - Step 6: Final answer
x = 245,362.54
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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.