Finding the Fourth Proportional to 432,742.19, 649,133.33 and 133,236.18
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Solution
The fourth proportional to 432,742.19, 649,133.33 and 133,236.18 is: 199,860.44
Step by Step Solution
- Step 1: Write the proportion equation
432,742.19 : 649,133.33 = 133,236.18 : x - Step 2: Convert to fraction form
432,742.19/649,133.33 = 133,236.18/x - Step 3: Cross multiply
432,742.19x = 649,133.33 × 133,236.18 - Step 4: Simplify right side
432,742.19x = 86,488,044,533.70 - Step 5: Solve for x
x = 86,488,044,533.70/432,742.19 - Step 6: Final answer
x = 199,860.44
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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.