Finding the Fourth Proportional to 300,349.18, 450,538.74 and 89,967.07
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Solution
The fourth proportional to 300,349.18, 450,538.74 and 89,967.07 is: 134,955.09
Step by Step Solution
- Step 1: Write the proportion equation
300,349.18 : 450,538.74 = 89,967.07 : x - Step 2: Convert to fraction form
300,349.18/450,538.74 = 89,967.07/x - Step 3: Cross multiply
300,349.18x = 450,538.74 × 89,967.07 - Step 4: Simplify right side
300,349.18x = 40,533,650,359.29 - Step 5: Solve for x
x = 40,533,650,359.29/300,349.18 - Step 6: Final answer
x = 134,955.09
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1.5x scale
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.