Finding the Fourth Proportional to 307,801.83, 424,725.33 and 171,815.99
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Solution
The fourth proportional to 307,801.83, 424,725.33 and 171,815.99 is: 237,083.07
Step by Step Solution
- Step 1: Write the proportion equation
307,801.83 : 424,725.33 = 171,815.99 : x - Step 2: Convert to fraction form
307,801.83/424,725.33 = 171,815.99/x - Step 3: Cross multiply
307,801.83x = 424,725.33 × 171,815.99 - Step 4: Simplify right side
307,801.83x = 72,974,603,052.03 - Step 5: Solve for x
x = 72,974,603,052.03/307,801.83 - Step 6: Final answer
x = 237,083.07
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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.