Finding the Fourth Proportional to 313,214.19, 432,235.56 and 169,974.23
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Solution
The fourth proportional to 313,214.19, 432,235.56 and 169,974.23 is: 234,564.43
Step by Step Solution
- Step 1: Write the proportion equation
313,214.19 : 432,235.56 = 169,974.23 : x - Step 2: Convert to fraction form
313,214.19/432,235.56 = 169,974.23/x - Step 3: Cross multiply
313,214.19x = 432,235.56 × 169,974.23 - Step 4: Simplify right side
313,214.19x = 73,468,906,489.62 - Step 5: Solve for x
x = 73,468,906,489.62/313,214.19 - Step 6: Final answer
x = 234,564.43
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1.5x scale
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.