Finding the Fourth Proportional to 201,948.42, 278,684.01 and 110,070.63
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Solution
The fourth proportional to 201,948.42, 278,684.01 and 110,070.63 is: 151,894.85
Step by Step Solution
- Step 1: Write the proportion equation
201,948.42 : 278,684.01 = 110,070.63 : x - Step 2: Convert to fraction form
201,948.42/278,684.01 = 110,070.63/x - Step 3: Cross multiply
201,948.42x = 278,684.01 × 110,070.63 - Step 4: Simplify right side
201,948.42x = 30,674,924,551.63 - Step 5: Solve for x
x = 30,674,924,551.63/201,948.42 - Step 6: Final answer
x = 151,894.85
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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.