Finding the Fourth Proportional to 517,079.02, 775,618.75 and 162,120.70
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Solution
The fourth proportional to 517,079.02, 775,618.75 and 162,120.70 is: 243,181.12
Step by Step Solution
- Step 1: Write the proportion equation
517,079.02 : 775,618.75 = 162,120.70 : x - Step 2: Convert to fraction form
517,079.02/775,618.75 = 162,120.70/x - Step 3: Cross multiply
517,079.02x = 775,618.75 × 162,120.70 - Step 4: Simplify right side
517,079.02x = 125,743,854,683.13 - Step 5: Solve for x
x = 125,743,854,683.13/517,079.02 - Step 6: Final answer
x = 243,181.12
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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.