Finding the Fourth Proportional to 412,753.67, 619,130.63 and 272,479.49
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Solution
The fourth proportional to 412,753.67, 619,130.63 and 272,479.49 is: 408,719.32
Step by Step Solution
- Step 1: Write the proportion equation
412,753.67 : 619,130.63 = 272,479.49 : x - Step 2: Convert to fraction form
412,753.67/619,130.63 = 272,479.49/x - Step 3: Cross multiply
412,753.67x = 619,130.63 × 272,479.49 - Step 4: Simplify right side
412,753.67x = 168,700,395,891.32 - Step 5: Solve for x
x = 168,700,395,891.32/412,753.67 - Step 6: Final answer
x = 408,719.32
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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.