Finding the Fourth Proportional to 571,959.05, 857,408.83 and 211,929.31
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Solution
The fourth proportional to 571,959.05, 857,408.83 and 211,929.31 is: 317,697.68
Step by Step Solution
- Step 1: Write the proportion equation
571,959.05 : 857,408.83 = 211,929.31 : x - Step 2: Convert to fraction form
571,959.05/857,408.83 = 211,929.31/x - Step 3: Cross multiply
571,959.05x = 857,408.83 × 211,929.31 - Step 4: Simplify right side
571,959.05x = 181,710,061,729.81 - Step 5: Solve for x
x = 181,710,061,729.81/571,959.05 - Step 6: Final answer
x = 317,697.68
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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.