Finding the Fourth Proportional to 292,557.80, 437,864.70 and 212,367.80
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Solution
The fourth proportional to 292,557.80, 437,864.70 and 212,367.80 is: 317,846.12
Step by Step Solution
- Step 1: Write the proportion equation
292,557.80 : 437,864.70 = 212,367.80 : x - Step 2: Convert to fraction form
292,557.80/437,864.70 = 212,367.80/x - Step 3: Cross multiply
292,557.80x = 437,864.70 × 212,367.80 - Step 4: Simplify right side
292,557.80x = 92,988,363,036.66 - Step 5: Solve for x
x = 92,988,363,036.66/292,557.80 - Step 6: Final answer
x = 317,846.12
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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.