Finding the Fourth Proportional to 307,863.20, 461,794.80 and 245,655.20
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Solution
The fourth proportional to 307,863.20, 461,794.80 and 245,655.20 is: 368,482.80
Step by Step Solution
- Step 1: Write the proportion equation
307,863.20 : 461,794.80 = 245,655.20 : x - Step 2: Convert to fraction form
307,863.20/461,794.80 = 245,655.20/x - Step 3: Cross multiply
307,863.20x = 461,794.80 × 245,655.20 - Step 4: Simplify right side
307,863.20x = 113,442,293,952.96 - Step 5: Solve for x
x = 113,442,293,952.96/307,863.20 - Step 6: Final answer
x = 368,482.80
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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.