Finding the Fourth Proportional to 535,212.24, 738,586.80 and 308,852.88
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Solution
The fourth proportional to 535,212.24, 738,586.80 and 308,852.88 is: 426,213.46
Step by Step Solution
- Step 1: Write the proportion equation
535,212.24 : 738,586.80 = 308,852.88 : x - Step 2: Convert to fraction form
535,212.24/738,586.80 = 308,852.88/x - Step 3: Cross multiply
535,212.24x = 738,586.80 × 308,852.88 - Step 4: Simplify right side
535,212.24x = 228,114,660,309.98 - Step 5: Solve for x
x = 228,114,660,309.98/535,212.24 - Step 6: Final answer
x = 426,213.46
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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.