Finding the Fourth Proportional to 240,260.68, 331,560.30 and 138,292.48
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Solution
The fourth proportional to 240,260.68, 331,560.30 and 138,292.48 is: 190,843.95
Step by Step Solution
- Step 1: Write the proportion equation
240,260.68 : 331,560.30 = 138,292.48 : x - Step 2: Convert to fraction form
240,260.68/331,560.30 = 138,292.48/x - Step 3: Cross multiply
240,260.68x = 331,560.30 × 138,292.48 - Step 4: Simplify right side
240,260.68x = 45,852,296,156.54 - Step 5: Solve for x
x = 45,852,296,156.54/240,260.68 - Step 6: Final answer
x = 190,843.95
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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.