Finding the Fourth Proportional to 444,435.95, 612,742.56 and 283,232.18
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Solution
The fourth proportional to 444,435.95, 612,742.56 and 283,232.18 is: 390,491.39
Step by Step Solution
- Step 1: Write the proportion equation
444,435.95 : 612,742.56 = 283,232.18 : x - Step 2: Convert to fraction form
444,435.95/612,742.56 = 283,232.18/x - Step 3: Cross multiply
444,435.95x = 612,742.56 × 283,232.18 - Step 4: Simplify right side
444,435.95x = 173,548,407,983.87 - Step 5: Solve for x
x = 173,548,407,983.87/444,435.95 - Step 6: Final answer
x = 390,491.39
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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.