Finding the Fourth Proportional to 187,212.99, 258,313.23 and 110,736.30
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Solution
The fourth proportional to 187,212.99, 258,313.23 and 110,736.30 is: 152,792.02
Step by Step Solution
- Step 1: Write the proportion equation
187,212.99 : 258,313.23 = 110,736.30 : x - Step 2: Convert to fraction form
187,212.99/258,313.23 = 110,736.30/x - Step 3: Cross multiply
187,212.99x = 258,313.23 × 110,736.30 - Step 4: Simplify right side
187,212.99x = 28,604,651,331.25 - Step 5: Solve for x
x = 28,604,651,331.25/187,212.99 - Step 6: Final answer
x = 152,792.02
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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.