Finding the Fourth Proportional to 180,634.12, 249,277.08 and 100,062.88
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Solution
The fourth proportional to 180,634.12, 249,277.08 and 100,062.88 is: 138,087.88
Step by Step Solution
- Step 1: Write the proportion equation
180,634.12 : 249,277.08 = 100,062.88 : x - Step 2: Convert to fraction form
180,634.12/249,277.08 = 100,062.88/x - Step 3: Cross multiply
180,634.12x = 249,277.08 × 100,062.88 - Step 4: Simplify right side
180,634.12x = 24,943,382,542.79 - Step 5: Solve for x
x = 24,943,382,542.79/180,634.12 - Step 6: Final answer
x = 138,087.88
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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.