Finding the Fourth Proportional to 535,218.24, 738,595.08 and 308,858.88
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Solution
The fourth proportional to 535,218.24, 738,595.08 and 308,858.88 is: 426,221.74
Step by Step Solution
- Step 1: Write the proportion equation
535,218.24 : 738,595.08 = 308,858.88 : x - Step 2: Convert to fraction form
535,218.24/738,595.08 = 308,858.88/x - Step 3: Cross multiply
535,218.24x = 738,595.08 × 308,858.88 - Step 4: Simplify right side
535,218.24x = 228,121,649,182.31 - Step 5: Solve for x
x = 228,121,649,182.31/535,218.24 - Step 6: Final answer
x = 426,221.74
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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.