Finding the Fourth Proportional to 438,774.18, 605,568.50 and 252,501.81
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Solution
The fourth proportional to 438,774.18, 605,568.50 and 252,501.81 is: 348,487.09
Step by Step Solution
- Step 1: Write the proportion equation
438,774.18 : 605,568.50 = 252,501.81 : x - Step 2: Convert to fraction form
438,774.18/605,568.50 = 252,501.81/x - Step 3: Cross multiply
438,774.18x = 605,568.50 × 252,501.81 - Step 4: Simplify right side
438,774.18x = 152,907,139,301.14 - Step 5: Solve for x
x = 152,907,139,301.14/438,774.18 - Step 6: Final answer
x = 348,487.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.