Finding the Fourth Proportional to 187,235.88, 258,389.64 and 102,352.98
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Solution
The fourth proportional to 187,235.88, 258,389.64 and 102,352.98 is: 141,249.37
Step by Step Solution
- Step 1: Write the proportion equation
187,235.88 : 258,389.64 = 102,352.98 : x - Step 2: Convert to fraction form
187,235.88/258,389.64 = 102,352.98/x - Step 3: Cross multiply
187,235.88x = 258,389.64 × 102,352.98 - Step 4: Simplify right side
187,235.88x = 26,446,949,655.13 - Step 5: Solve for x
x = 26,446,949,655.13/187,235.88 - Step 6: Final answer
x = 141,249.37
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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.