Finding the Fourth Proportional to 518,024.24, 777,119.40 and 218,548.93
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Solution
The fourth proportional to 518,024.24, 777,119.40 and 218,548.93 is: 327,858.43
Step by Step Solution
- Step 1: Write the proportion equation
518,024.24 : 777,119.40 = 218,548.93 : x - Step 2: Convert to fraction form
518,024.24/777,119.40 = 218,548.93/x - Step 3: Cross multiply
518,024.24x = 777,119.40 × 218,548.93 - Step 4: Simplify right side
518,024.24x = 169,838,613,352.24 - Step 5: Solve for x
x = 169,838,613,352.24/518,024.24 - Step 6: Final answer
x = 327,858.43
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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.