Finding the Fourth Proportional to 254,956.74, 382,434.69 and 121,432.02
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Solution
The fourth proportional to 254,956.74, 382,434.69 and 121,432.02 is: 182,147.83
Step by Step Solution
- Step 1: Write the proportion equation
254,956.74 : 382,434.69 = 121,432.02 : x - Step 2: Convert to fraction form
254,956.74/382,434.69 = 121,432.02/x - Step 3: Cross multiply
254,956.74x = 382,434.69 × 121,432.02 - Step 4: Simplify right side
254,956.74x = 46,439,816,924.77 - Step 5: Solve for x
x = 46,439,816,924.77/254,956.74 - Step 6: Final answer
x = 182,147.83
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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.