Finding the Fourth Proportional to 187,516.24, 258,762.48 and 102,616.90
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Solution
The fourth proportional to 187,516.24, 258,762.48 and 102,616.90 is: 141,605.89
Step by Step Solution
- Step 1: Write the proportion equation
187,516.24 : 258,762.48 = 102,616.90 : x - Step 2: Convert to fraction form
187,516.24/258,762.48 = 102,616.90/x - Step 3: Cross multiply
187,516.24x = 258,762.48 × 102,616.90 - Step 4: Simplify right side
187,516.24x = 26,553,403,533.91 - Step 5: Solve for x
x = 26,553,403,533.91/187,516.24 - Step 6: Final answer
x = 141,605.89
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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.