Finding the Fourth Proportional to 570,558.42, 855,921.08 and 171,230.75
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Solution
The fourth proportional to 570,558.42, 855,921.08 and 171,230.75 is: 256,871.17
Step by Step Solution
- Step 1: Write the proportion equation
570,558.42 : 855,921.08 = 171,230.75 : x - Step 2: Convert to fraction form
570,558.42/855,921.08 = 171,230.75/x - Step 3: Cross multiply
570,558.42x = 855,921.08 × 171,230.75 - Step 4: Simplify right side
570,558.42x = 146,560,008,469.21 - Step 5: Solve for x
x = 146,560,008,469.21/570,558.42 - Step 6: Final answer
x = 256,871.17
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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.