Finding the Fourth Proportional to 297,809.20, 446,462.40 and 129,202.44
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Solution
The fourth proportional to 297,809.20, 446,462.40 and 129,202.44 is: 193,694.59
Step by Step Solution
- Step 1: Write the proportion equation
297,809.20 : 446,462.40 = 129,202.44 : x - Step 2: Convert to fraction form
297,809.20/446,462.40 = 129,202.44/x - Step 3: Cross multiply
297,809.20x = 446,462.40 × 129,202.44 - Step 4: Simplify right side
297,809.20x = 57,684,031,448.26 - Step 5: Solve for x
x = 57,684,031,448.26/297,809.20 - Step 6: Final answer
x = 193,694.59
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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.