Finding the Fourth Proportional to 304,416.05, 420,115.18 and 168,455.73
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Solution
The fourth proportional to 304,416.05, 420,115.18 and 168,455.73 is: 232,480.54
Step by Step Solution
- Step 1: Write the proportion equation
304,416.05 : 420,115.18 = 168,455.73 : x - Step 2: Convert to fraction form
304,416.05/420,115.18 = 168,455.73/x - Step 3: Cross multiply
304,416.05x = 420,115.18 × 168,455.73 - Step 4: Simplify right side
304,416.05x = 70,770,807,730.19 - Step 5: Solve for x
x = 70,770,807,730.19/304,416.05 - Step 6: Final answer
x = 232,480.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.