Finding the Fourth Proportional to 157,933.21, 236,864.93 and 45,589.02
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Solution
The fourth proportional to 157,933.21, 236,864.93 and 45,589.02 is: 68,373.46
Step by Step Solution
- Step 1: Write the proportion equation
157,933.21 : 236,864.93 = 45,589.02 : x - Step 2: Convert to fraction form
157,933.21/236,864.93 = 45,589.02/x - Step 3: Cross multiply
157,933.21x = 236,864.93 × 45,589.02 - Step 4: Simplify right side
157,933.21x = 10,798,440,031.07 - Step 5: Solve for x
x = 10,798,440,031.07/157,933.21 - Step 6: Final answer
x = 68,373.46
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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.