Finding the Fourth Proportional to 375,705.62, 518,480.02 and 203,629.08
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Solution
The fourth proportional to 375,705.62, 518,480.02 and 203,629.08 is: 281,011.53
Step by Step Solution
- Step 1: Write the proportion equation
375,705.62 : 518,480.02 = 203,629.08 : x - Step 2: Convert to fraction form
375,705.62/518,480.02 = 203,629.08/x - Step 3: Cross multiply
375,705.62x = 518,480.02 × 203,629.08 - Step 4: Simplify right side
375,705.62x = 105,577,609,470.98 - Step 5: Solve for x
x = 105,577,609,470.98/375,705.62 - Step 6: Final answer
x = 281,011.53
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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.