Finding the Fourth Proportional to 579,138.54, 868,707.81 and 158,418.06
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Solution
The fourth proportional to 579,138.54, 868,707.81 and 158,418.06 is: 237,627.09
Step by Step Solution
- Step 1: Write the proportion equation
579,138.54 : 868,707.81 = 158,418.06 : x - Step 2: Convert to fraction form
579,138.54/868,707.81 = 158,418.06/x - Step 3: Cross multiply
579,138.54x = 868,707.81 × 158,418.06 - Step 4: Simplify right side
579,138.54x = 137,619,005,967.05 - Step 5: Solve for x
x = 137,619,005,967.05/579,138.54 - Step 6: Final answer
x = 237,627.09
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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.