Finding the Fourth Proportional to 315,269.97, 435,083.06 and 172,037.87
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Solution
The fourth proportional to 315,269.97, 435,083.06 and 172,037.87 is: 237,417.99
Step by Step Solution
- Step 1: Write the proportion equation
315,269.97 : 435,083.06 = 172,037.87 : x - Step 2: Convert to fraction form
315,269.97/435,083.06 = 172,037.87/x - Step 3: Cross multiply
315,269.97x = 435,083.06 × 172,037.87 - Step 4: Simplify right side
315,269.97x = 74,850,762,915.48 - Step 5: Solve for x
x = 74,850,762,915.48/315,269.97 - Step 6: Final answer
x = 237,417.99
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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.