Finding the Fourth Proportional to 371,444.74, 512,595.79 and 201,678.87
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Solution
The fourth proportional to 371,444.74, 512,595.79 and 201,678.87 is: 278,317.94
Step by Step Solution
- Step 1: Write the proportion equation
371,444.74 : 512,595.79 = 201,678.87 : x - Step 2: Convert to fraction form
371,444.74/512,595.79 = 201,678.87/x - Step 3: Cross multiply
371,444.74x = 512,595.79 × 201,678.87 - Step 4: Simplify right side
371,444.74x = 103,379,736,122.58 - Step 5: Solve for x
x = 103,379,736,122.58/371,444.74 - Step 6: Final answer
x = 278,317.94
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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.