Finding the Fourth Proportional to 240,596.98, 331,994.70 and 138,655.84
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Solution
The fourth proportional to 240,596.98, 331,994.70 and 138,655.84 is: 191,328.27
Step by Step Solution
- Step 1: Write the proportion equation
240,596.98 : 331,994.70 = 138,655.84 : x - Step 2: Convert to fraction form
240,596.98/331,994.70 = 138,655.84/x - Step 3: Cross multiply
240,596.98x = 331,994.70 × 138,655.84 - Step 4: Simplify right side
240,596.98x = 46,033,004,004.05 - Step 5: Solve for x
x = 46,033,004,004.05/240,596.98 - Step 6: Final answer
x = 191,328.27
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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.