Finding the Fourth Proportional to 202,288.08, 279,262.54 and 147,779.08
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Solution
The fourth proportional to 202,288.08, 279,262.54 and 147,779.08 is: 204,011.83
Step by Step Solution
- Step 1: Write the proportion equation
202,288.08 : 279,262.54 = 147,779.08 : x - Step 2: Convert to fraction form
202,288.08/279,262.54 = 147,779.08/x - Step 3: Cross multiply
202,288.08x = 279,262.54 × 147,779.08 - Step 4: Simplify right side
202,288.08x = 41,269,161,465.83 - Step 5: Solve for x
x = 41,269,161,465.83/202,288.08 - Step 6: Final answer
x = 204,011.83
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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.