Finding the Fourth Proportional to 213,801.12, 295,048.17 and 118,316.70
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Solution
The fourth proportional to 213,801.12, 295,048.17 and 118,316.70 is: 163,278.50
Step by Step Solution
- Step 1: Write the proportion equation
213,801.12 : 295,048.17 = 118,316.70 : x - Step 2: Convert to fraction form
213,801.12/295,048.17 = 118,316.70/x - Step 3: Cross multiply
213,801.12x = 295,048.17 × 118,316.70 - Step 4: Simplify right side
213,801.12x = 34,909,125,815.44 - Step 5: Solve for x
x = 34,909,125,815.44/213,801.12 - Step 6: Final answer
x = 163,278.50
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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.