Finding the Fourth Proportional to 291,760.97, 402,637.26 and 162,698.19
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Solution
The fourth proportional to 291,760.97, 402,637.26 and 162,698.19 is: 224,527.48
Step by Step Solution
- Step 1: Write the proportion equation
291,760.97 : 402,637.26 = 162,698.19 : x - Step 2: Convert to fraction form
291,760.97/402,637.26 = 162,698.19/x - Step 3: Cross multiply
291,760.97x = 402,637.26 × 162,698.19 - Step 4: Simplify right side
291,760.97x = 65,508,353,428.56 - Step 5: Solve for x
x = 65,508,353,428.56/291,760.97 - Step 6: Final answer
x = 224,527.48
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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.