Finding the Fourth Proportional to 409,079.97, 564,530.99 and 227,826.81
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Solution
The fourth proportional to 409,079.97, 564,530.99 and 227,826.81 is: 314,401.35
Step by Step Solution
- Step 1: Write the proportion equation
409,079.97 : 564,530.99 = 227,826.81 : x - Step 2: Convert to fraction form
409,079.97/564,530.99 = 227,826.81/x - Step 3: Cross multiply
409,079.97x = 564,530.99 × 227,826.81 - Step 4: Simplify right side
409,079.97x = 128,615,293,458.71 - Step 5: Solve for x
x = 128,615,293,458.71/409,079.97 - Step 6: Final answer
x = 314,401.35
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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.