Finding the Fourth Proportional to 808,165.13, 1,212,253.76 and 358,765.18
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Solution
The fourth proportional to 808,165.13, 1,212,253.76 and 358,765.18 is: 538,150.46
Step by Step Solution
- Step 1: Write the proportion equation
808,165.13 : 1,212,253.76 = 358,765.18 : x - Step 2: Convert to fraction form
808,165.13/1,212,253.76 = 358,765.18/x - Step 3: Cross multiply
808,165.13x = 1,212,253.76 × 358,765.18 - Step 4: Simplify right side
808,165.13x = 434,914,436,278.36 - Step 5: Solve for x
x = 434,914,436,278.36/808,165.13 - Step 6: Final answer
x = 538,150.46
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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.