Finding the Fourth Proportional to 354,459.09, 531,767.67 and 101,719.88
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Solution
The fourth proportional to 354,459.09, 531,767.67 and 101,719.88 is: 152,602.49
Step by Step Solution
- Step 1: Write the proportion equation
354,459.09 : 531,767.67 = 101,719.88 : x - Step 2: Convert to fraction form
354,459.09/531,767.67 = 101,719.88/x - Step 3: Cross multiply
354,459.09x = 531,767.67 × 101,719.88 - Step 4: Simplify right side
354,459.09x = 54,091,340,921.44 - Step 5: Solve for x
x = 54,091,340,921.44/354,459.09 - Step 6: Final answer
x = 152,602.49
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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.