Finding the Fourth Proportional to 157,589.07, 218,392.94 and 154,598.55
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Solution
The fourth proportional to 157,589.07, 218,392.94 and 154,598.55 is: 214,248.56
Step by Step Solution
- Step 1: Write the proportion equation
157,589.07 : 218,392.94 = 154,598.55 : x - Step 2: Convert to fraction form
157,589.07/218,392.94 = 154,598.55/x - Step 3: Cross multiply
157,589.07x = 218,392.94 × 154,598.55 - Step 4: Simplify right side
157,589.07x = 33,763,231,854.24 - Step 5: Solve for x
x = 33,763,231,854.24/157,589.07 - Step 6: Final answer
x = 214,248.56
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.