Finding the Fourth Proportional to 314,826.24, 472,245.12 and 115,146.48
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Solution
The fourth proportional to 314,826.24, 472,245.12 and 115,146.48 is: 172,721.83
Step by Step Solution
- Step 1: Write the proportion equation
314,826.24 : 472,245.12 = 115,146.48 : x - Step 2: Convert to fraction form
314,826.24/472,245.12 = 115,146.48/x - Step 3: Cross multiply
314,826.24x = 472,245.12 × 115,146.48 - Step 4: Simplify right side
314,826.24x = 54,377,363,265.18 - Step 5: Solve for x
x = 54,377,363,265.18/314,826.24 - Step 6: Final answer
x = 172,721.83
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1.5x scale
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.