Finding the Fourth Proportional to 570,557.42, 855,919.58 and 171,229.75
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Solution
The fourth proportional to 570,557.42, 855,919.58 and 171,229.75 is: 256,869.66
Step by Step Solution
- Step 1: Write the proportion equation
570,557.42 : 855,919.58 = 171,229.75 : x - Step 2: Convert to fraction form
570,557.42/855,919.58 = 171,229.75/x - Step 3: Cross multiply
570,557.42x = 855,919.58 × 171,229.75 - Step 4: Simplify right side
570,557.42x = 146,558,892,707.56 - Step 5: Solve for x
x = 146,558,892,707.56/570,557.42 - Step 6: Final answer
x = 256,869.66
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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.