Finding the Fourth Proportional to 399,641.92, 599,497.44 and 163,000.96
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Solution
The fourth proportional to 399,641.92, 599,497.44 and 163,000.96 is: 244,515.54
Step by Step Solution
- Step 1: Write the proportion equation
399,641.92 : 599,497.44 = 163,000.96 : x - Step 2: Convert to fraction form
399,641.92/599,497.44 = 163,000.96/x - Step 3: Cross multiply
399,641.92x = 599,497.44 × 163,000.96 - Step 4: Simplify right side
399,641.92x = 97,718,658,237.54 - Step 5: Solve for x
x = 97,718,658,237.54/399,641.92 - Step 6: Final answer
x = 244,515.54
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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.