Finding the Fourth Proportional to 306,759.88, 459,926.34 and 135,888.80
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Solution
The fourth proportional to 306,759.88, 459,926.34 and 135,888.80 is: 203,738.63
Step by Step Solution
- Step 1: Write the proportion equation
306,759.88 : 459,926.34 = 135,888.80 : x - Step 2: Convert to fraction form
306,759.88/459,926.34 = 135,888.80/x - Step 3: Cross multiply
306,759.88x = 459,926.34 × 135,888.80 - Step 4: Simplify right side
306,759.88x = 62,498,838,430.99 - Step 5: Solve for x
x = 62,498,838,430.99/306,759.88 - Step 6: Final answer
x = 203,738.63
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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.