Finding the Fourth Proportional to 310,882.05, 466,251.39 and 121,346.91
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Solution
The fourth proportional to 310,882.05, 466,251.39 and 121,346.91 is: 181,992.38
Step by Step Solution
- Step 1: Write the proportion equation
310,882.05 : 466,251.39 = 121,346.91 : x - Step 2: Convert to fraction form
310,882.05/466,251.39 = 121,346.91/x - Step 3: Cross multiply
310,882.05x = 466,251.39 × 121,346.91 - Step 4: Simplify right side
310,882.05x = 56,578,165,459.70 - Step 5: Solve for x
x = 56,578,165,459.70/310,882.05 - Step 6: Final answer
x = 181,992.38
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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.