Finding the Fourth Proportional to 319,556.46, 440,909.28 and 195,346.08
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Solution
The fourth proportional to 319,556.46, 440,909.28 and 195,346.08 is: 269,529.52
Step by Step Solution
- Step 1: Write the proportion equation
319,556.46 : 440,909.28 = 195,346.08 : x - Step 2: Convert to fraction form
319,556.46/440,909.28 = 195,346.08/x - Step 3: Cross multiply
319,556.46x = 440,909.28 × 195,346.08 - Step 4: Simplify right side
319,556.46x = 86,129,899,483.62 - Step 5: Solve for x
x = 86,129,899,483.62/319,556.46 - Step 6: Final answer
x = 269,529.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.