Finding the Fourth Proportional to 314,810.19, 434,401.52 and 192,240.99
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Solution
The fourth proportional to 314,810.19, 434,401.52 and 192,240.99 is: 265,270.25
Step by Step Solution
- Step 1: Write the proportion equation
314,810.19 : 434,401.52 = 192,240.99 : x - Step 2: Convert to fraction form
314,810.19/434,401.52 = 192,240.99/x - Step 3: Cross multiply
314,810.19x = 434,401.52 × 192,240.99 - Step 4: Simplify right side
314,810.19x = 83,509,777,301.10 - Step 5: Solve for x
x = 83,509,777,301.10/314,810.19 - Step 6: Final answer
x = 265,270.25
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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.