Finding the Fourth Proportional to 314,632.99, 434,161.16 and 176,790.03
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Solution
The fourth proportional to 314,632.99, 434,161.16 and 176,790.03 is: 243,952.05
Step by Step Solution
- Step 1: Write the proportion equation
314,632.99 : 434,161.16 = 176,790.03 : x - Step 2: Convert to fraction form
314,632.99/434,161.16 = 176,790.03/x - Step 3: Cross multiply
314,632.99x = 434,161.16 × 176,790.03 - Step 4: Simplify right side
314,632.99x = 76,755,363,646.59 - Step 5: Solve for x
x = 76,755,363,646.59/314,632.99 - Step 6: Final answer
x = 243,952.05
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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.