Finding the Fourth Proportional to 146,070.75, 201,577.65 and 79,002.75
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Solution
The fourth proportional to 146,070.75, 201,577.65 and 79,002.75 is: 109,023.80
Step by Step Solution
- Step 1: Write the proportion equation
146,070.75 : 201,577.65 = 79,002.75 : x - Step 2: Convert to fraction form
146,070.75/201,577.65 = 79,002.75/x - Step 3: Cross multiply
146,070.75x = 201,577.65 × 79,002.75 - Step 4: Simplify right side
146,070.75x = 15,925,188,688.54 - Step 5: Solve for x
x = 15,925,188,688.54/146,070.75 - Step 6: Final answer
x = 109,023.80
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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.