Finding the Fourth Proportional to 180,655.26, 249,306.19 and 100,087.55
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Solution
The fourth proportional to 180,655.26, 249,306.19 and 100,087.55 is: 138,121.88
Step by Step Solution
- Step 1: Write the proportion equation
180,655.26 : 249,306.19 = 100,087.55 : x - Step 2: Convert to fraction form
180,655.26/249,306.19 = 100,087.55/x - Step 3: Cross multiply
180,655.26x = 249,306.19 × 100,087.55 - Step 4: Simplify right side
180,655.26x = 24,952,444,260.18 - Step 5: Solve for x
x = 24,952,444,260.18/180,655.26 - Step 6: Final answer
x = 138,121.88
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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.