Finding the Fourth Proportional to 213,432.84, 294,511.68 and 117,926.46
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Solution
The fourth proportional to 213,432.84, 294,511.68 and 117,926.46 is: 162,724.35
Step by Step Solution
- Step 1: Write the proportion equation
213,432.84 : 294,511.68 = 117,926.46 : x - Step 2: Convert to fraction form
213,432.84/294,511.68 = 117,926.46/x - Step 3: Cross multiply
213,432.84x = 294,511.68 × 117,926.46 - Step 4: Simplify right side
213,432.84x = 34,730,719,851.05 - Step 5: Solve for x
x = 34,730,719,851.05/213,432.84 - Step 6: Final answer
x = 162,724.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.