Finding the Fourth Proportional to 318,529.36, 478,089.42 and 160,868.44
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Solution
The fourth proportional to 318,529.36, 478,089.42 and 160,868.44 is: 241,451.84
Step by Step Solution
- Step 1: Write the proportion equation
318,529.36 : 478,089.42 = 160,868.44 : x - Step 2: Convert to fraction form
318,529.36/478,089.42 = 160,868.44/x - Step 3: Cross multiply
318,529.36x = 478,089.42 × 160,868.44 - Step 4: Simplify right side
318,529.36x = 76,909,499,175.90 - Step 5: Solve for x
x = 76,909,499,175.90/318,529.36 - Step 6: Final answer
x = 241,451.84
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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.