Finding the Fourth Proportional to 193,177.36, 289,598.52 and 74,767.20
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Solution
The fourth proportional to 193,177.36, 289,598.52 and 74,767.20 is: 112,085.96
Step by Step Solution
- Step 1: Write the proportion equation
193,177.36 : 289,598.52 = 74,767.20 : x - Step 2: Convert to fraction form
193,177.36/289,598.52 = 74,767.20/x - Step 3: Cross multiply
193,177.36x = 289,598.52 × 74,767.20 - Step 4: Simplify right side
193,177.36x = 21,652,470,464.54 - Step 5: Solve for x
x = 21,652,470,464.54/193,177.36 - Step 6: Final answer
x = 112,085.96
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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.