Finding the Fourth Proportional to 256,959.36, 385,343.19 and 88,432.02
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Solution
The fourth proportional to 256,959.36, 385,343.19 and 88,432.02 is: 132,615.04
Step by Step Solution
- Step 1: Write the proportion equation
256,959.36 : 385,343.19 = 88,432.02 : x - Step 2: Convert to fraction form
256,959.36/385,343.19 = 88,432.02/x - Step 3: Cross multiply
256,959.36x = 385,343.19 × 88,432.02 - Step 4: Simplify right side
256,959.36x = 34,076,676,684.94 - Step 5: Solve for x
x = 34,076,676,684.94/256,959.36 - Step 6: Final answer
x = 132,615.04
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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.