Finding the Fourth Proportional to 518,744.68, 778,185.07 and 203,160.58
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Solution
The fourth proportional to 518,744.68, 778,185.07 and 203,160.58 is: 304,767.52
Step by Step Solution
- Step 1: Write the proportion equation
518,744.68 : 778,185.07 = 203,160.58 : x - Step 2: Convert to fraction form
518,744.68/778,185.07 = 203,160.58/x - Step 3: Cross multiply
518,744.68x = 778,185.07 × 203,160.58 - Step 4: Simplify right side
518,744.68x = 158,096,527,715.18 - Step 5: Solve for x
x = 158,096,527,715.18/518,744.68 - Step 6: Final answer
x = 304,767.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.