Finding the Fourth Proportional to 257,148.24, 385,783.94 and 107,305.18
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Solution
The fourth proportional to 257,148.24, 385,783.94 and 107,305.18 is: 160,983.46
Step by Step Solution
- Step 1: Write the proportion equation
257,148.24 : 385,783.94 = 107,305.18 : x - Step 2: Convert to fraction form
257,148.24/385,783.94 = 107,305.18/x - Step 3: Cross multiply
257,148.24x = 385,783.94 × 107,305.18 - Step 4: Simplify right side
257,148.24x = 41,396,613,462.15 - Step 5: Solve for x
x = 41,396,613,462.15/257,148.24 - Step 6: Final answer
x = 160,983.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.