Finding the Fourth Proportional to 620,455.66, 930,737.10 and 171,176.53
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Solution
The fourth proportional to 620,455.66, 930,737.10 and 171,176.53 is: 256,779.59
Step by Step Solution
- Step 1: Write the proportion equation
620,455.66 : 930,737.10 = 171,176.53 : x - Step 2: Convert to fraction form
620,455.66/930,737.10 = 171,176.53/x - Step 3: Cross multiply
620,455.66x = 930,737.10 × 171,176.53 - Step 4: Simplify right side
620,455.66x = 159,320,347,120.26 - Step 5: Solve for x
x = 159,320,347,120.26/620,455.66 - Step 6: Final answer
x = 256,779.59
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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.