Finding the Fourth Proportional to 180,295.36, 248,797.80 and 99,718.20
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Solution
The fourth proportional to 180,295.36, 248,797.80 and 99,718.20 is: 137,605.70
Step by Step Solution
- Step 1: Write the proportion equation
180,295.36 : 248,797.80 = 99,718.20 : x - Step 2: Convert to fraction form
180,295.36/248,797.80 = 99,718.20/x - Step 3: Cross multiply
180,295.36x = 248,797.80 × 99,718.20 - Step 4: Simplify right side
180,295.36x = 24,809,668,779.96 - Step 5: Solve for x
x = 24,809,668,779.96/180,295.36 - Step 6: Final answer
x = 137,605.70
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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.