Finding the Fourth Proportional to 249,883.08, 374,824.32 and 81,403.14
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Solution
The fourth proportional to 249,883.08, 374,824.32 and 81,403.14 is: 122,104.61
Step by Step Solution
- Step 1: Write the proportion equation
249,883.08 : 374,824.32 = 81,403.14 : x - Step 2: Convert to fraction form
249,883.08/374,824.32 = 81,403.14/x - Step 3: Cross multiply
249,883.08x = 374,824.32 × 81,403.14 - Step 4: Simplify right side
249,883.08x = 30,511,874,722.24 - Step 5: Solve for x
x = 30,511,874,722.24/249,883.08 - Step 6: Final answer
x = 122,104.61
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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.