Finding the Fourth Proportional to 215,027.72, 296,777.04 and 124,371.08
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Solution
The fourth proportional to 215,027.72, 296,777.04 and 124,371.08 is: 171,654.52
Step by Step Solution
- Step 1: Write the proportion equation
215,027.72 : 296,777.04 = 124,371.08 : x - Step 2: Convert to fraction form
215,027.72/296,777.04 = 124,371.08/x - Step 3: Cross multiply
215,027.72x = 296,777.04 × 124,371.08 - Step 4: Simplify right side
215,027.72x = 36,910,480,984.00 - Step 5: Solve for x
x = 36,910,480,984.00/215,027.72 - Step 6: Final answer
x = 171,654.52
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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.