Finding the Fourth Proportional to 180,203.18, 248,675.99 and 99,628.65
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Solution
The fourth proportional to 180,203.18, 248,675.99 and 99,628.65 is: 137,485.11
Step by Step Solution
- Step 1: Write the proportion equation
180,203.18 : 248,675.99 = 99,628.65 : x - Step 2: Convert to fraction form
180,203.18/248,675.99 = 99,628.65/x - Step 3: Cross multiply
180,203.18x = 248,675.99 × 99,628.65 - Step 4: Simplify right side
180,203.18x = 24,775,252,672.97 - Step 5: Solve for x
x = 24,775,252,672.97/180,203.18 - Step 6: Final answer
x = 137,485.11
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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.