Finding the Fourth Proportional to 345,331.99, 518,072.10 and 195,643.99
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Solution
The fourth proportional to 345,331.99, 518,072.10 and 195,643.99 is: 293,507.97
Step by Step Solution
- Step 1: Write the proportion equation
345,331.99 : 518,072.10 = 195,643.99 : x - Step 2: Convert to fraction form
345,331.99/518,072.10 = 195,643.99/x - Step 3: Cross multiply
345,331.99x = 518,072.10 × 195,643.99 - Step 4: Simplify right side
345,331.99x = 101,357,692,751.68 - Step 5: Solve for x
x = 101,357,692,751.68/345,331.99 - Step 6: Final answer
x = 293,507.97
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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.