Finding the Fourth Proportional to 212,041.08, 292,685.00 and 135,765.54
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Solution
The fourth proportional to 212,041.08, 292,685.00 and 135,765.54 is: 187,400.18
Step by Step Solution
- Step 1: Write the proportion equation
212,041.08 : 292,685.00 = 135,765.54 : x - Step 2: Convert to fraction form
212,041.08/292,685.00 = 135,765.54/x - Step 3: Cross multiply
212,041.08x = 292,685.00 × 135,765.54 - Step 4: Simplify right side
212,041.08x = 39,736,536,396.07 - Step 5: Solve for x
x = 39,736,536,396.07/212,041.08 - Step 6: Final answer
x = 187,400.18
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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.