Finding the Fourth Proportional to 243,358.10, 365,130.63 and 171,380.08
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Solution
The fourth proportional to 243,358.10, 365,130.63 and 171,380.08 is: 257,135.95
Step by Step Solution
- Step 1: Write the proportion equation
243,358.10 : 365,130.63 = 171,380.08 : x - Step 2: Convert to fraction form
243,358.10/365,130.63 = 171,380.08/x - Step 3: Cross multiply
243,358.10x = 365,130.63 × 171,380.08 - Step 4: Simplify right side
243,358.10x = 62,576,117,036.26 - Step 5: Solve for x
x = 62,576,117,036.26/243,358.10 - Step 6: Final answer
x = 257,135.95
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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.