Finding the Fourth Proportional to 307,519.32, 461,451.21 and 130,159.08
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Solution
The fourth proportional to 307,519.32, 461,451.21 and 130,159.08 is: 195,311.52
Step by Step Solution
- Step 1: Write the proportion equation
307,519.32 : 461,451.21 = 130,159.08 : x - Step 2: Convert to fraction form
307,519.32/461,451.21 = 130,159.08/x - Step 3: Cross multiply
307,519.32x = 461,451.21 × 130,159.08 - Step 4: Simplify right side
307,519.32x = 60,062,064,958.49 - Step 5: Solve for x
x = 60,062,064,958.49/307,519.32 - Step 6: Final answer
x = 195,311.52
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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.