Finding the Fourth Proportional to 172,660.04, 258,869.43 and 76,544.98
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Solution
The fourth proportional to 172,660.04, 258,869.43 and 76,544.98 is: 114,763.99
Step by Step Solution
- Step 1: Write the proportion equation
172,660.04 : 258,869.43 = 76,544.98 : x - Step 2: Convert to fraction form
172,660.04/258,869.43 = 76,544.98/x - Step 3: Cross multiply
172,660.04x = 258,869.43 × 76,544.98 - Step 4: Simplify right side
172,660.04x = 19,815,155,341.96 - Step 5: Solve for x
x = 19,815,155,341.96/172,660.04 - Step 6: Final answer
x = 114,763.99
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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.