Finding the Fourth Proportional to 180,779.49, 271,067.58 and 74,134.08
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Solution
The fourth proportional to 180,779.49, 271,067.58 and 74,134.08 is: 111,159.43
Step by Step Solution
- Step 1: Write the proportion equation
180,779.49 : 271,067.58 = 74,134.08 : x - Step 2: Convert to fraction form
180,779.49/271,067.58 = 74,134.08/x - Step 3: Cross multiply
180,779.49x = 271,067.58 × 74,134.08 - Step 4: Simplify right side
180,779.49x = 20,095,345,661.13 - Step 5: Solve for x
x = 20,095,345,661.13/180,779.49 - Step 6: Final answer
x = 111,159.43
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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.