Finding the Fourth Proportional to 197,649.99, 272,754.86 and 107,004.29
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Solution
The fourth proportional to 197,649.99, 272,754.86 and 107,004.29 is: 147,664.76
Step by Step Solution
- Step 1: Write the proportion equation
197,649.99 : 272,754.86 = 107,004.29 : x - Step 2: Convert to fraction form
197,649.99/272,754.86 = 107,004.29/x - Step 3: Cross multiply
197,649.99x = 272,754.86 × 107,004.29 - Step 4: Simplify right side
197,649.99x = 29,185,938,239.55 - Step 5: Solve for x
x = 29,185,938,239.55/197,649.99 - Step 6: Final answer
x = 147,664.76
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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.