Finding the Fourth Proportional to 104,901.36, 157,330.16 and 38,372.88
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Solution
The fourth proportional to 104,901.36, 157,330.16 and 38,372.88 is: 57,551.32
Step by Step Solution
- Step 1: Write the proportion equation
104,901.36 : 157,330.16 = 38,372.88 : x - Step 2: Convert to fraction form
104,901.36/157,330.16 = 38,372.88/x - Step 3: Cross multiply
104,901.36x = 157,330.16 × 38,372.88 - Step 4: Simplify right side
104,901.36x = 6,037,211,350.06 - Step 5: Solve for x
x = 6,037,211,350.06/104,901.36 - Step 6: Final answer
x = 57,551.32
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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.