Finding the Fourth Proportional to 191,409.99, 264,140.25 and 106,525.23
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Solution
The fourth proportional to 191,409.99, 264,140.25 and 106,525.23 is: 147,001.74
Step by Step Solution
- Step 1: Write the proportion equation
191,409.99 : 264,140.25 = 106,525.23 : x - Step 2: Convert to fraction form
191,409.99/264,140.25 = 106,525.23/x - Step 3: Cross multiply
191,409.99x = 264,140.25 × 106,525.23 - Step 4: Simplify right side
191,409.99x = 28,137,600,883.51 - Step 5: Solve for x
x = 28,137,600,883.51/191,409.99 - Step 6: Final answer
x = 147,001.74
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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.