Finding the Fourth Proportional to 339,477.17, 509,216.43 and 126,291.83
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Solution
The fourth proportional to 339,477.17, 509,216.43 and 126,291.83 is: 189,437.99
Step by Step Solution
- Step 1: Write the proportion equation
339,477.17 : 509,216.43 = 126,291.83 : x - Step 2: Convert to fraction form
339,477.17/509,216.43 = 126,291.83/x - Step 3: Cross multiply
339,477.17x = 509,216.43 × 126,291.83 - Step 4: Simplify right side
339,477.17x = 64,309,872,264.68 - Step 5: Solve for x
x = 64,309,872,264.68/339,477.17 - Step 6: Final answer
x = 189,437.99
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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.