Finding the Fourth Proportional to 319,807.74, 441,335.34 and 176,568.06
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Solution
The fourth proportional to 319,807.74, 441,335.34 and 176,568.06 is: 243,664.29
Step by Step Solution
- Step 1: Write the proportion equation
319,807.74 : 441,335.34 = 176,568.06 : x - Step 2: Convert to fraction form
319,807.74/441,335.34 = 176,568.06/x - Step 3: Cross multiply
319,807.74x = 441,335.34 × 176,568.06 - Step 4: Simplify right side
319,807.74x = 77,925,724,793.24 - Step 5: Solve for x
x = 77,925,724,793.24/319,807.74 - Step 6: Final answer
x = 243,664.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.