Finding the Fourth Proportional to 535,276.30, 738,612.97 and 305,848.44
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Solution
The fourth proportional to 535,276.30, 738,612.97 and 305,848.44 is: 422,031.81
Step by Step Solution
- Step 1: Write the proportion equation
535,276.30 : 738,612.97 = 305,848.44 : x - Step 2: Convert to fraction form
535,276.30/738,612.97 = 305,848.44/x - Step 3: Cross multiply
535,276.30x = 738,612.97 × 305,848.44 - Step 4: Simplify right side
535,276.30x = 225,903,626,484.80 - Step 5: Solve for x
x = 225,903,626,484.80/535,276.30 - Step 6: Final answer
x = 422,031.81
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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.