Finding the Fourth Proportional to 161,467.99, 242,203.34 and 56,286.79
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Solution
The fourth proportional to 161,467.99, 242,203.34 and 56,286.79 is: 84,430.66
Step by Step Solution
- Step 1: Write the proportion equation
161,467.99 : 242,203.34 = 56,286.79 : x - Step 2: Convert to fraction form
161,467.99/242,203.34 = 56,286.79/x - Step 3: Cross multiply
161,467.99x = 242,203.34 × 56,286.79 - Step 4: Simplify right side
161,467.99x = 13,632,848,254.44 - Step 5: Solve for x
x = 13,632,848,254.44/161,467.99 - Step 6: Final answer
x = 84,430.66
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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.