Finding the Fourth Proportional to 162,607.86, 243,851.19 and 55,961.99
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Solution
The fourth proportional to 162,607.86, 243,851.19 and 55,961.99 is: 83,922.14
Step by Step Solution
- Step 1: Write the proportion equation
162,607.86 : 243,851.19 = 55,961.99 : x - Step 2: Convert to fraction form
162,607.86/243,851.19 = 55,961.99/x - Step 3: Cross multiply
162,607.86x = 243,851.19 × 55,961.99 - Step 4: Simplify right side
162,607.86x = 13,646,399,028.05 - Step 5: Solve for x
x = 13,646,399,028.05/162,607.86 - Step 6: Final answer
x = 83,922.14
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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.