Finding the Fourth Proportional to 313,204.67, 432,223.58 and 169,964.68
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Solution
The fourth proportional to 313,204.67, 432,223.58 and 169,964.68 is: 234,551.86
Step by Step Solution
- Step 1: Write the proportion equation
313,204.67 : 432,223.58 = 169,964.68 : x - Step 2: Convert to fraction form
313,204.67/432,223.58 = 169,964.68/x - Step 3: Cross multiply
313,204.67x = 432,223.58 × 169,964.68 - Step 4: Simplify right side
313,204.67x = 73,462,739,452.21 - Step 5: Solve for x
x = 73,462,739,452.21/313,204.67 - Step 6: Final answer
x = 234,551.86
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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.