Finding the Fourth Proportional to 518,881.73, 777,987.18 and 203,370.53
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Solution
The fourth proportional to 518,881.73, 777,987.18 and 203,370.53 is: 304,924.33
Step by Step Solution
- Step 1: Write the proportion equation
518,881.73 : 777,987.18 = 203,370.53 : x - Step 2: Convert to fraction form
518,881.73/777,987.18 = 203,370.53/x - Step 3: Cross multiply
518,881.73x = 777,987.18 × 203,370.53 - Step 4: Simplify right side
518,881.73x = 158,219,661,239.87 - Step 5: Solve for x
x = 158,219,661,239.87/518,881.73 - Step 6: Final answer
x = 304,924.33
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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.