Finding the Fourth Proportional to 232,405.89, 320,706.99 and 130,421.84
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Solution
The fourth proportional to 232,405.89, 320,706.99 and 130,421.84 is: 179,974.76
Step by Step Solution
- Step 1: Write the proportion equation
232,405.89 : 320,706.99 = 130,421.84 : x - Step 2: Convert to fraction form
232,405.89/320,706.99 = 130,421.84/x - Step 3: Cross multiply
232,405.89x = 320,706.99 × 130,421.84 - Step 4: Simplify right side
232,405.89x = 41,827,194,133.13 - Step 5: Solve for x
x = 41,827,194,133.13/232,405.89 - Step 6: Final answer
x = 179,974.76
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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.