Finding the Fourth Proportional to 212,002.48, 292,560.06 and 116,507.13
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Solution
The fourth proportional to 212,002.48, 292,560.06 and 116,507.13 is: 160,777.99
Step by Step Solution
- Step 1: Write the proportion equation
212,002.48 : 292,560.06 = 116,507.13 : x - Step 2: Convert to fraction form
212,002.48/292,560.06 = 116,507.13/x - Step 3: Cross multiply
212,002.48x = 292,560.06 × 116,507.13 - Step 4: Simplify right side
212,002.48x = 34,085,332,943.23 - Step 5: Solve for x
x = 34,085,332,943.23/212,002.48 - Step 6: Final answer
x = 160,777.99
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1.5x scale
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.