Finding the Fourth Proportional to 319,822.22, 480,305.12 and 306,964.66
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Solution
The fourth proportional to 319,822.22, 480,305.12 and 306,964.66 is: 460,995.79
Step by Step Solution
- Step 1: Write the proportion equation
319,822.22 : 480,305.12 = 306,964.66 : x - Step 2: Convert to fraction form
319,822.22/480,305.12 = 306,964.66/x - Step 3: Cross multiply
319,822.22x = 480,305.12 × 306,964.66 - Step 4: Simplify right side
319,822.22x = 147,436,697,857.06 - Step 5: Solve for x
x = 147,436,697,857.06/319,822.22 - Step 6: Final answer
x = 460,995.79
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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.