Finding the Fourth Proportional to 319,762.68, 479,467.65 and 130,174.50
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Solution
The fourth proportional to 319,762.68, 479,467.65 and 130,174.50 is: 195,189.95
Step by Step Solution
- Step 1: Write the proportion equation
319,762.68 : 479,467.65 = 130,174.50 : x - Step 2: Convert to fraction form
319,762.68/479,467.65 = 130,174.50/x - Step 3: Cross multiply
319,762.68x = 479,467.65 × 130,174.50 - Step 4: Simplify right side
319,762.68x = 62,414,461,604.93 - Step 5: Solve for x
x = 62,414,461,604.93/319,762.68 - Step 6: Final answer
x = 195,189.95
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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.