Finding the Fourth Proportional to 306,759.84, 459,926.25 and 135,888.78
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Solution
The fourth proportional to 306,759.84, 459,926.25 and 135,888.78 is: 203,738.59
Step by Step Solution
- Step 1: Write the proportion equation
306,759.84 : 459,926.25 = 135,888.78 : x - Step 2: Convert to fraction form
306,759.84/459,926.25 = 135,888.78/x - Step 3: Cross multiply
306,759.84x = 459,926.25 × 135,888.78 - Step 4: Simplify right side
306,759.84x = 62,498,817,002.48 - Step 5: Solve for x
x = 62,498,817,002.48/306,759.84 - Step 6: Final answer
x = 203,738.59
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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.