Finding the Fourth Proportional to 172,854.70, 259,282.05 and 48,195.70
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Solution
The fourth proportional to 172,854.70, 259,282.05 and 48,195.70 is: 72,293.55
Step by Step Solution
- Step 1: Write the proportion equation
172,854.70 : 259,282.05 = 48,195.70 : x - Step 2: Convert to fraction form
172,854.70/259,282.05 = 48,195.70/x - Step 3: Cross multiply
172,854.70x = 259,282.05 × 48,195.70 - Step 4: Simplify right side
172,854.70x = 12,496,279,897.19 - Step 5: Solve for x
x = 12,496,279,897.19/172,854.70 - Step 6: Final answer
x = 72,293.55
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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.