Finding the Fourth Proportional to 197,110.08, 272,012.16 and 107,686.08
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Solution
The fourth proportional to 197,110.08, 272,012.16 and 107,686.08 is: 148,606.93
Step by Step Solution
- Step 1: Write the proportion equation
197,110.08 : 272,012.16 = 107,686.08 : x - Step 2: Convert to fraction form
197,110.08/272,012.16 = 107,686.08/x - Step 3: Cross multiply
197,110.08x = 272,012.16 × 107,686.08 - Step 4: Simplify right side
197,110.08x = 29,291,923,222.73 - Step 5: Solve for x
x = 29,291,923,222.73/197,110.08 - Step 6: Final answer
x = 148,606.93
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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.