Finding the Fourth Proportional to 444,436.76, 612,743.69 and 283,232.99
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Solution
The fourth proportional to 444,436.76, 612,743.69 and 283,232.99 is: 390,492.51
Step by Step Solution
- Step 1: Write the proportion equation
444,436.76 : 612,743.69 = 283,232.99 : x - Step 2: Convert to fraction form
444,436.76/612,743.69 = 283,232.99/x - Step 3: Cross multiply
444,436.76x = 612,743.69 × 283,232.99 - Step 4: Simplify right side
444,436.76x = 173,549,225,182.39 - Step 5: Solve for x
x = 173,549,225,182.39/444,436.76 - Step 6: Final answer
x = 390,492.51
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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.