Finding the Fourth Proportional to 403,754.13, 557,005.59 and 240,318.99
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Solution
The fourth proportional to 403,754.13, 557,005.59 and 240,318.99 is: 331,535.98
Step by Step Solution
- Step 1: Write the proportion equation
403,754.13 : 557,005.59 = 240,318.99 : x - Step 2: Convert to fraction form
403,754.13/557,005.59 = 240,318.99/x - Step 3: Cross multiply
403,754.13x = 557,005.59 × 240,318.99 - Step 4: Simplify right side
403,754.13x = 133,859,020,813.15 - Step 5: Solve for x
x = 133,859,020,813.15/403,754.13 - Step 6: Final answer
x = 331,535.98
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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.