Finding the Fourth Proportional to 296,726.35, 409,481.81 and 160,763.68
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Solution
The fourth proportional to 296,726.35, 409,481.81 and 160,763.68 is: 221,853.58
Step by Step Solution
- Step 1: Write the proportion equation
296,726.35 : 409,481.81 = 160,763.68 : x - Step 2: Convert to fraction form
296,726.35/409,481.81 = 160,763.68/x - Step 3: Cross multiply
296,726.35x = 409,481.81 × 160,763.68 - Step 4: Simplify right side
296,726.35x = 65,829,802,152.08 - Step 5: Solve for x
x = 65,829,802,152.08/296,726.35 - Step 6: Final answer
x = 221,853.58
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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.