Finding the Fourth Proportional to 240,363.88, 331,727.08 and 138,392.98
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Solution
The fourth proportional to 240,363.88, 331,727.08 and 138,392.98 is: 190,996.66
Step by Step Solution
- Step 1: Write the proportion equation
240,363.88 : 331,727.08 = 138,392.98 : x - Step 2: Convert to fraction form
240,363.88/331,727.08 = 138,392.98/x - Step 3: Cross multiply
240,363.88x = 331,727.08 × 138,392.98 - Step 4: Simplify right side
240,363.88x = 45,908,699,147.90 - Step 5: Solve for x
x = 45,908,699,147.90/240,363.88 - Step 6: Final answer
x = 190,996.66
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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.