Finding the Fourth Proportional to 502,391.99, 693,308.81 and 272,953.82
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Solution
The fourth proportional to 502,391.99, 693,308.81 and 272,953.82 is: 376,680.54
Step by Step Solution
- Step 1: Write the proportion equation
502,391.99 : 693,308.81 = 272,953.82 : x - Step 2: Convert to fraction form
502,391.99/693,308.81 = 272,953.82/x - Step 3: Cross multiply
502,391.99x = 693,308.81 × 272,953.82 - Step 4: Simplify right side
502,391.99x = 189,241,288,129.15 - Step 5: Solve for x
x = 189,241,288,129.15/502,391.99 - Step 6: Final answer
x = 376,680.54
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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.