Finding the Fourth Proportional to 180,405.36, 248,955.66 and 99,828.05
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Solution
The fourth proportional to 180,405.36, 248,955.66 and 99,828.05 is: 137,760.63
Step by Step Solution
- Step 1: Write the proportion equation
180,405.36 : 248,955.66 = 99,828.05 : x - Step 2: Convert to fraction form
180,405.36/248,955.66 = 99,828.05/x - Step 3: Cross multiply
180,405.36x = 248,955.66 × 99,828.05 - Step 4: Simplify right side
180,405.36x = 24,852,756,829.48 - Step 5: Solve for x
x = 24,852,756,829.48/180,405.36 - Step 6: Final answer
x = 137,760.63
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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.