Finding the Fourth Proportional to 486,444.96, 729,683.84 and 131,462.06
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Solution
The fourth proportional to 486,444.96, 729,683.84 and 131,462.06 is: 197,197.52
Step by Step Solution
- Step 1: Write the proportion equation
486,444.96 : 729,683.84 = 131,462.06 : x - Step 2: Convert to fraction form
486,444.96/729,683.84 = 131,462.06/x - Step 3: Cross multiply
486,444.96x = 729,683.84 × 131,462.06 - Step 4: Simplify right side
486,444.96x = 95,925,737,435.35 - Step 5: Solve for x
x = 95,925,737,435.35/486,444.96 - Step 6: Final answer
x = 197,197.52
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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.