Finding the Fourth Proportional to 305,353.71, 457,563.42 and 163,219.19
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Solution
The fourth proportional to 305,353.71, 457,563.42 and 163,219.19 is: 244,579.08
Step by Step Solution
- Step 1: Write the proportion equation
305,353.71 : 457,563.42 = 163,219.19 : x - Step 2: Convert to fraction form
305,353.71/457,563.42 = 163,219.19/x - Step 3: Cross multiply
305,353.71x = 457,563.42 × 163,219.19 - Step 4: Simplify right side
305,353.71x = 74,683,128,498.21 - Step 5: Solve for x
x = 74,683,128,498.21/305,353.71 - Step 6: Final answer
x = 244,579.08
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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.