Finding the Fourth Proportional to 240,652.47, 332,135.44 and 138,658.23
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Solution
The fourth proportional to 240,652.47, 332,135.44 and 138,658.23 is: 191,368.54
Step by Step Solution
- Step 1: Write the proportion equation
240,652.47 : 332,135.44 = 138,658.23 : x - Step 2: Convert to fraction form
240,652.47/332,135.44 = 138,658.23/x - Step 3: Cross multiply
240,652.47x = 332,135.44 × 138,658.23 - Step 4: Simplify right side
240,652.47x = 46,053,311,884.03 - Step 5: Solve for x
x = 46,053,311,884.03/240,652.47 - Step 6: Final answer
x = 191,368.54
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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.