Finding the Fourth Proportional to 212,233.32, 292,875.81 and 116,739.99
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Solution
The fourth proportional to 212,233.32, 292,875.81 and 116,739.99 is: 161,097.79
Step by Step Solution
- Step 1: Write the proportion equation
212,233.32 : 292,875.81 = 116,739.99 : x - Step 2: Convert to fraction form
212,233.32/292,875.81 = 116,739.99/x - Step 3: Cross multiply
212,233.32x = 292,875.81 × 116,739.99 - Step 4: Simplify right side
212,233.32x = 34,190,319,130.64 - Step 5: Solve for x
x = 34,190,319,130.64/212,233.32 - Step 6: Final answer
x = 161,097.79
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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.