Finding the Fourth Proportional to 172,468.67, 258,869.84 and 124,486.74
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Solution
The fourth proportional to 172,468.67, 258,869.84 and 124,486.74 is: 186,850.53
Step by Step Solution
- Step 1: Write the proportion equation
172,468.67 : 258,869.84 = 124,486.74 : x - Step 2: Convert to fraction form
172,468.67/258,869.84 = 124,486.74/x - Step 3: Cross multiply
172,468.67x = 258,869.84 × 124,486.74 - Step 4: Simplify right side
172,468.67x = 32,225,862,465.92 - Step 5: Solve for x
x = 32,225,862,465.92/172,468.67 - Step 6: Final answer
x = 186,850.53
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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.