Finding the Fourth Proportional to 246,849.54, 340,397.55 and 211,157.70
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Solution
The fourth proportional to 246,849.54, 340,397.55 and 211,157.70 is: 291,179.65
Step by Step Solution
- Step 1: Write the proportion equation
246,849.54 : 340,397.55 = 211,157.70 : x - Step 2: Convert to fraction form
246,849.54/340,397.55 = 211,157.70/x - Step 3: Cross multiply
246,849.54x = 340,397.55 × 211,157.70 - Step 4: Simplify right side
246,849.54x = 71,877,563,743.64 - Step 5: Solve for x
x = 71,877,563,743.64/246,849.54 - Step 6: Final answer
x = 291,179.65
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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.