Finding the Fourth Proportional to 145,972.96, 201,447.66 and 84,714.43
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Solution
The fourth proportional to 145,972.96, 201,447.66 and 84,714.43 is: 116,908.80
Step by Step Solution
- Step 1: Write the proportion equation
145,972.96 : 201,447.66 = 84,714.43 : x - Step 2: Convert to fraction form
145,972.96/201,447.66 = 84,714.43/x - Step 3: Cross multiply
145,972.96x = 201,447.66 × 84,714.43 - Step 4: Simplify right side
145,972.96x = 17,065,523,268.16 - Step 5: Solve for x
x = 17,065,523,268.16/145,972.96 - Step 6: Final answer
x = 116,908.80
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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.