Finding the Fourth Proportional to 257,475.64, 355,330.96 and 144,305.68
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Solution
The fourth proportional to 257,475.64, 355,330.96 and 144,305.68 is: 199,150.01
Step by Step Solution
- Step 1: Write the proportion equation
257,475.64 : 355,330.96 = 144,305.68 : x - Step 2: Convert to fraction form
257,475.64/355,330.96 = 144,305.68/x - Step 3: Cross multiply
257,475.64x = 355,330.96 × 144,305.68 - Step 4: Simplify right side
257,475.64x = 51,276,275,807.85 - Step 5: Solve for x
x = 51,276,275,807.85/257,475.64 - Step 6: Final answer
x = 199,150.01
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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.