Finding the Fourth Proportional to 439,798.59, 606,917.96 and 248,811.99
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Solution
The fourth proportional to 439,798.59, 606,917.96 and 248,811.99 is: 343,358.23
Step by Step Solution
- Step 1: Write the proportion equation
439,798.59 : 606,917.96 = 248,811.99 : x - Step 2: Convert to fraction form
439,798.59/606,917.96 = 248,811.99/x - Step 3: Cross multiply
439,798.59x = 606,917.96 × 248,811.99 - Step 4: Simplify right side
439,798.59x = 151,008,464,150.28 - Step 5: Solve for x
x = 151,008,464,150.28/439,798.59 - Step 6: Final answer
x = 343,358.23
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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.