Finding the Fourth Proportional to 212,686.08, 318,918.75 and 62,906.68
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Solution
The fourth proportional to 212,686.08, 318,918.75 and 62,906.68 is: 94,327.38
Step by Step Solution
- Step 1: Write the proportion equation
212,686.08 : 318,918.75 = 62,906.68 : x - Step 2: Convert to fraction form
212,686.08/318,918.75 = 62,906.68/x - Step 3: Cross multiply
212,686.08x = 318,918.75 × 62,906.68 - Step 4: Simplify right side
212,686.08x = 20,062,119,752.25 - Step 5: Solve for x
x = 20,062,119,752.25/212,686.08 - Step 6: Final answer
x = 94,327.38
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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.