Finding the Fourth Proportional to 304,319.70, 456,479.55 and 229,961.70
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Solution
The fourth proportional to 304,319.70, 456,479.55 and 229,961.70 is: 344,942.55
Step by Step Solution
- Step 1: Write the proportion equation
304,319.70 : 456,479.55 = 229,961.70 : x - Step 2: Convert to fraction form
304,319.70/456,479.55 = 229,961.70/x - Step 3: Cross multiply
304,319.70x = 456,479.55 × 229,961.70 - Step 4: Simplify right side
304,319.70x = 104,972,813,333.24 - Step 5: Solve for x
x = 104,972,813,333.24/304,319.70 - Step 6: Final answer
x = 344,942.55
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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.