Finding the Fourth Proportional to 294,115.84, 405,951.96 and 166,865.92
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Solution
The fourth proportional to 294,115.84, 405,951.96 and 166,865.92 is: 230,315.88
Step by Step Solution
- Step 1: Write the proportion equation
294,115.84 : 405,951.96 = 166,865.92 : x - Step 2: Convert to fraction form
294,115.84/405,951.96 = 166,865.92/x - Step 3: Cross multiply
294,115.84x = 405,951.96 × 166,865.92 - Step 4: Simplify right side
294,115.84x = 67,739,547,281.20 - Step 5: Solve for x
x = 67,739,547,281.20/294,115.84 - Step 6: Final answer
x = 230,315.88
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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.