Finding the Fourth Proportional to 187,312.97, 258,491.79 and 102,430.04
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Solution
The fourth proportional to 187,312.97, 258,491.79 and 102,430.04 is: 141,353.39
Step by Step Solution
- Step 1: Write the proportion equation
187,312.97 : 258,491.79 = 102,430.04 : x - Step 2: Convert to fraction form
187,312.97/258,491.79 = 102,430.04/x - Step 3: Cross multiply
187,312.97x = 258,491.79 × 102,430.04 - Step 4: Simplify right side
187,312.97x = 26,477,323,096.91 - Step 5: Solve for x
x = 26,477,323,096.91/187,312.97 - Step 6: Final answer
x = 141,353.39
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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.