Finding the Fourth Proportional to 302,292.70, 417,167.44 and 173,228.62
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Solution
The fourth proportional to 302,292.70, 417,167.44 and 173,228.62 is: 239,057.51
Step by Step Solution
- Step 1: Write the proportion equation
302,292.70 : 417,167.44 = 173,228.62 : x - Step 2: Convert to fraction form
302,292.70/417,167.44 = 173,228.62/x - Step 3: Cross multiply
302,292.70x = 417,167.44 × 173,228.62 - Step 4: Simplify right side
302,292.70x = 72,265,339,940.13 - Step 5: Solve for x
x = 72,265,339,940.13/302,292.70 - Step 6: Final answer
x = 239,057.51
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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.