Finding the Fourth Proportional to 193,320.28, 266,764.06 and 108,420.92
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Solution
The fourth proportional to 193,320.28, 266,764.06 and 108,420.92 is: 149,610.82
Step by Step Solution
- Step 1: Write the proportion equation
193,320.28 : 266,764.06 = 108,420.92 : x - Step 2: Convert to fraction form
193,320.28/266,764.06 = 108,420.92/x - Step 3: Cross multiply
193,320.28x = 266,764.06 × 108,420.92 - Step 4: Simplify right side
193,320.28x = 28,922,804,808.14 - Step 5: Solve for x
x = 28,922,804,808.14/193,320.28 - Step 6: Final answer
x = 149,610.82
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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.