Finding the Fourth Proportional to 306,420.18, 459,642.63 and 106,760.79
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Solution
The fourth proportional to 306,420.18, 459,642.63 and 106,760.79 is: 160,145.49
Step by Step Solution
- Step 1: Write the proportion equation
306,420.18 : 459,642.63 = 106,760.79 : x - Step 2: Convert to fraction form
306,420.18/459,642.63 = 106,760.79/x - Step 3: Cross multiply
306,420.18x = 459,642.63 × 106,760.79 - Step 4: Simplify right side
306,420.18x = 49,071,810,296.48 - Step 5: Solve for x
x = 49,071,810,296.48/306,420.18 - Step 6: Final answer
x = 160,145.49
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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.