Finding the Fourth Proportional to 808,165.36, 1,212,254.09 and 358,765.41
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Solution
The fourth proportional to 808,165.36, 1,212,254.09 and 358,765.41 is: 538,150.80
Step by Step Solution
- Step 1: Write the proportion equation
808,165.36 : 1,212,254.09 = 358,765.41 : x - Step 2: Convert to fraction form
808,165.36/1,212,254.09 = 358,765.41/x - Step 3: Cross multiply
808,165.36x = 1,212,254.09 × 358,765.41 - Step 4: Simplify right side
808,165.36x = 434,914,835,623.03 - Step 5: Solve for x
x = 434,914,835,623.03/808,165.36 - Step 6: Final answer
x = 538,150.80
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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.