Finding the Fourth Proportional to 213,420.08, 294,511.80 and 117,924.80
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Solution
The fourth proportional to 213,420.08, 294,511.80 and 117,924.80 is: 162,731.85
Step by Step Solution
- Step 1: Write the proportion equation
213,420.08 : 294,511.80 = 117,924.80 : x - Step 2: Convert to fraction form
213,420.08/294,511.80 = 117,924.80/x - Step 3: Cross multiply
213,420.08x = 294,511.80 × 117,924.80 - Step 4: Simplify right side
213,420.08x = 34,730,245,112.64 - Step 5: Solve for x
x = 34,730,245,112.64/213,420.08 - Step 6: Final answer
x = 162,731.85
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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.