Finding the Fourth Proportional to 457,698.11, 631,660.80 and 253,812.96
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Solution
The fourth proportional to 457,698.11, 631,660.80 and 253,812.96 is: 350,282.63
Step by Step Solution
- Step 1: Write the proportion equation
457,698.11 : 631,660.80 = 253,812.96 : x - Step 2: Convert to fraction form
457,698.11/631,660.80 = 253,812.96/x - Step 3: Cross multiply
457,698.11x = 631,660.80 × 253,812.96 - Step 4: Simplify right side
457,698.11x = 160,323,697,363.97 - Step 5: Solve for x
x = 160,323,697,363.97/457,698.11 - Step 6: Final answer
x = 350,282.63
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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.