Finding the Fourth Proportional to 377,177.82, 520,377.99 and 213,816.80
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Solution
The fourth proportional to 377,177.82, 520,377.99 and 213,816.80 is: 294,994.96
Step by Step Solution
- Step 1: Write the proportion equation
377,177.82 : 520,377.99 = 213,816.80 : x - Step 2: Convert to fraction form
377,177.82/520,377.99 = 213,816.80/x - Step 3: Cross multiply
377,177.82x = 520,377.99 × 213,816.80 - Step 4: Simplify right side
377,177.82x = 111,265,556,612.23 - Step 5: Solve for x
x = 111,265,556,612.23/377,177.82 - Step 6: Final answer
x = 294,994.96
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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.