Finding the Fourth Proportional to 142,977.01, 214,467.07 and 43,138.08
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Solution
The fourth proportional to 142,977.01, 214,467.07 and 43,138.08 is: 64,707.59
Step by Step Solution
- Step 1: Write the proportion equation
142,977.01 : 214,467.07 = 43,138.08 : x - Step 2: Convert to fraction form
142,977.01/214,467.07 = 43,138.08/x - Step 3: Cross multiply
142,977.01x = 214,467.07 × 43,138.08 - Step 4: Simplify right side
142,977.01x = 9,251,697,623.03 - Step 5: Solve for x
x = 9,251,697,623.03/142,977.01 - Step 6: Final answer
x = 64,707.59
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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.