Finding the Fourth Proportional to 180,603.88, 249,235.99 and 104,121.66
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Solution
The fourth proportional to 180,603.88, 249,235.99 and 104,121.66 is: 143,689.41
Step by Step Solution
- Step 1: Write the proportion equation
180,603.88 : 249,235.99 = 104,121.66 : x - Step 2: Convert to fraction form
180,603.88/249,235.99 = 104,121.66/x - Step 3: Cross multiply
180,603.88x = 249,235.99 × 104,121.66 - Step 4: Simplify right side
180,603.88x = 25,950,865,010.54 - Step 5: Solve for x
x = 25,950,865,010.54/180,603.88 - Step 6: Final answer
x = 143,689.41
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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.