Finding the Fourth Proportional to 399,117.36, 598,156.23 and 162,183.05
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Solution
The fourth proportional to 399,117.36, 598,156.23 and 162,183.05 is: 243,063.34
Step by Step Solution
- Step 1: Write the proportion equation
399,117.36 : 598,156.23 = 162,183.05 : x - Step 2: Convert to fraction form
399,117.36/598,156.23 = 162,183.05/x - Step 3: Cross multiply
399,117.36x = 598,156.23 × 162,183.05 - Step 4: Simplify right side
399,117.36x = 97,010,799,451.60 - Step 5: Solve for x
x = 97,010,799,451.60/399,117.36 - Step 6: Final answer
x = 243,063.34
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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.