Finding the Fourth Proportional to 150,545.24, 207,761.62 and 86,887.13
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Solution
The fourth proportional to 150,545.24, 207,761.62 and 86,887.13 is: 119,909.54
Step by Step Solution
- Step 1: Write the proportion equation
150,545.24 : 207,761.62 = 86,887.13 : x - Step 2: Convert to fraction form
150,545.24/207,761.62 = 86,887.13/x - Step 3: Cross multiply
150,545.24x = 207,761.62 × 86,887.13 - Step 4: Simplify right side
150,545.24x = 18,051,810,885.95 - Step 5: Solve for x
x = 18,051,810,885.95/150,545.24 - Step 6: Final answer
x = 119,909.54
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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.