Finding the Fourth Proportional to 306,907.14, 423,553.14 and 186,053.52
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Solution
The fourth proportional to 306,907.14, 423,553.14 and 186,053.52 is: 256,766.76
Step by Step Solution
- Step 1: Write the proportion equation
306,907.14 : 423,553.14 = 186,053.52 : x - Step 2: Convert to fraction form
306,907.14/423,553.14 = 186,053.52/x - Step 3: Cross multiply
306,907.14x = 423,553.14 × 186,053.52 - Step 4: Simplify right side
306,907.14x = 78,803,552,604.05 - Step 5: Solve for x
x = 78,803,552,604.05/306,907.14 - Step 6: Final answer
x = 256,766.76
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1.5x scale
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.