Finding the Fourth Proportional to 294,855.70, 442,283.55 and 73,239.70
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Solution
The fourth proportional to 294,855.70, 442,283.55 and 73,239.70 is: 109,859.55
Step by Step Solution
- Step 1: Write the proportion equation
294,855.70 : 442,283.55 = 73,239.70 : x - Step 2: Convert to fraction form
294,855.70/442,283.55 = 73,239.70/x - Step 3: Cross multiply
294,855.70x = 442,283.55 × 73,239.70 - Step 4: Simplify right side
294,855.70x = 32,392,714,516.94 - Step 5: Solve for x
x = 32,392,714,516.94/294,855.70 - Step 6: Final answer
x = 109,859.55
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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.