Finding the Fourth Proportional to 414,978.02, 622,623.90 and 162,438.99
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Solution
The fourth proportional to 414,978.02, 622,623.90 and 162,438.99 is: 243,719.89
Step by Step Solution
- Step 1: Write the proportion equation
414,978.02 : 622,623.90 = 162,438.99 : x - Step 2: Convert to fraction form
414,978.02/622,623.90 = 162,438.99/x - Step 3: Cross multiply
414,978.02x = 622,623.90 × 162,438.99 - Step 4: Simplify right side
414,978.02x = 101,138,397,465.86 - Step 5: Solve for x
x = 101,138,397,465.86/414,978.02 - Step 6: Final answer
x = 243,719.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.