Finding the Fourth Proportional to 329,412.88, 493,177.99 and 308,487.54
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Solution
The fourth proportional to 329,412.88, 493,177.99 and 308,487.54 is: 461,849.78
Step by Step Solution
- Step 1: Write the proportion equation
329,412.88 : 493,177.99 = 308,487.54 : x - Step 2: Convert to fraction form
329,412.88/493,177.99 = 308,487.54/x - Step 3: Cross multiply
329,412.88x = 493,177.99 × 308,487.54 - Step 4: Simplify right side
329,412.88x = 152,139,264,917.25 - Step 5: Solve for x
x = 152,139,264,917.25/329,412.88 - Step 6: Final answer
x = 461,849.78
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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.