Finding the Fourth Proportional to 240,519.62, 331,952.12 and 138,525.23
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Solution
The fourth proportional to 240,519.62, 331,952.12 and 138,525.23 is: 191,185.00
Step by Step Solution
- Step 1: Write the proportion equation
240,519.62 : 331,952.12 = 138,525.23 : x - Step 2: Convert to fraction form
240,519.62/331,952.12 = 138,525.23/x - Step 3: Cross multiply
240,519.62x = 331,952.12 × 138,525.23 - Step 4: Simplify right side
240,519.62x = 45,983,743,909.24 - Step 5: Solve for x
x = 45,983,743,909.24/240,519.62 - Step 6: Final answer
x = 191,185.00
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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.