Finding the Fourth Proportional to 345,553.14, 518,400.12 and 195,860.28
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Solution
The fourth proportional to 345,553.14, 518,400.12 and 195,860.28 is: 293,830.33
Step by Step Solution
- Step 1: Write the proportion equation
345,553.14 : 518,400.12 = 195,860.28 : x - Step 2: Convert to fraction form
345,553.14/518,400.12 = 195,860.28/x - Step 3: Cross multiply
345,553.14x = 518,400.12 × 195,860.28 - Step 4: Simplify right side
345,553.14x = 101,533,992,655.23 - Step 5: Solve for x
x = 101,533,992,655.23/345,553.14 - Step 6: Final answer
x = 293,830.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.