Finding the Fourth Proportional to 104,982.18, 157,538.57 and 42,652.68
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Solution
The fourth proportional to 104,982.18, 157,538.57 and 42,652.68 is: 64,005.55
Step by Step Solution
- Step 1: Write the proportion equation
104,982.18 : 157,538.57 = 42,652.68 : x - Step 2: Convert to fraction form
104,982.18/157,538.57 = 42,652.68/x - Step 3: Cross multiply
104,982.18x = 157,538.57 × 42,652.68 - Step 4: Simplify right side
104,982.18x = 6,719,441,649.76 - Step 5: Solve for x
x = 6,719,441,649.76/104,982.18 - Step 6: Final answer
x = 64,005.55
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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.