Finding the Fourth Proportional to 432,717.24, 649,137.30 and 133,222.71
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Solution
The fourth proportional to 432,717.24, 649,137.30 and 133,222.71 is: 199,852.98
Step by Step Solution
- Step 1: Write the proportion equation
432,717.24 : 649,137.30 = 133,222.71 : x - Step 2: Convert to fraction form
432,717.24/649,137.30 = 133,222.71/x - Step 3: Cross multiply
432,717.24x = 649,137.30 × 133,222.71 - Step 4: Simplify right side
432,717.24x = 86,479,830,268.08 - Step 5: Solve for x
x = 86,479,830,268.08/432,717.24 - Step 6: Final answer
x = 199,852.98
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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.