Finding the Fourth Proportional to 377,196.99, 520,515.99 and 213,864.48
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Solution
The fourth proportional to 377,196.99, 520,515.99 and 213,864.48 is: 295,123.99
Step by Step Solution
- Step 1: Write the proportion equation
377,196.99 : 520,515.99 = 213,864.48 : x - Step 2: Convert to fraction form
377,196.99/520,515.99 = 213,864.48/x - Step 3: Cross multiply
377,196.99x = 520,515.99 × 213,864.48 - Step 4: Simplify right side
377,196.99x = 111,319,881,533.04 - Step 5: Solve for x
x = 111,319,881,533.04/377,196.99 - Step 6: Final answer
x = 295,123.99
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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.