Finding the Fourth Proportional to 170,132.05, 255,143.77 and 56,258.75
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Solution
The fourth proportional to 170,132.05, 255,143.77 and 56,258.75 is: 84,370.17
Step by Step Solution
- Step 1: Write the proportion equation
170,132.05 : 255,143.77 = 56,258.75 : x - Step 2: Convert to fraction form
170,132.05/255,143.77 = 56,258.75/x - Step 3: Cross multiply
170,132.05x = 255,143.77 × 56,258.75 - Step 4: Simplify right side
170,132.05x = 14,354,070,384.16 - Step 5: Solve for x
x = 14,354,070,384.16/170,132.05 - Step 6: Final answer
x = 84,370.17
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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.