Finding the Fourth Proportional to 399,894.80, 599,615.40 and 162,960.08
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Solution
The fourth proportional to 399,894.80, 599,615.40 and 162,960.08 is: 244,347.70
Step by Step Solution
- Step 1: Write the proportion equation
399,894.80 : 599,615.40 = 162,960.08 : x - Step 2: Convert to fraction form
399,894.80/599,615.40 = 162,960.08/x - Step 3: Cross multiply
399,894.80x = 599,615.40 × 162,960.08 - Step 4: Simplify right side
399,894.80x = 97,713,373,553.23 - Step 5: Solve for x
x = 97,713,373,553.23/399,894.80 - Step 6: Final answer
x = 244,347.70
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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.